SKU: 23952260768

DAHUA LCH86-MC410-B 55/65/75/86 inch Smart Interactive Whiteboard

Sale price$450000.00 Regular price$500000.00
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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9

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Description

DAHUA LCH86-MC410-B 55/65/75/86 inch Smart Interactive WhiteboardLCH86 MC410 B > 4K HD display. > Supports using both Android and Windows (PC module must be installed). > Wireless screen sharing from multiple devices, such as phones, computers, and tablets. > Supports being written on with a stylus. > Supports Office software, and playing videos and audio files. > The startup channels are all customizable. > Wired and wireless network support. > Built in 5 MP camera. Product Data Built in System Operating System of

LCH86-MC410-B

> 4K HD display.

> Supports using both Android and Windows (PC module must be installed).

> Wireless screen sharing from multiple devices, such as phones, computers, and tablets.

> Supports being written on with a stylus.

> Supports Office software, and playing videos and audio files.

> The startup channels are all customizable.

> Wired and wireless network support.

> Built-in 5-MP camera.


Product Data

Built-in System

Operating System of External Module

Android 9.0

CPU

Quad-core A55

RAM

4 GB

ROM

32 GB

Function

Applicable Operating Systems

Windows 7/8/10; Android

WiFi

Dual-band 2.4 Ghz/5 Ghz

Wi-Fi Hotspot

Dual-band 2.4 Ghz/5 Ghz; supports enabling hotspot and Wi-Fi at the same time

LCD Panel

Panel Dimensions

55-inch; 65-inch; 75-inch; 86-inch

Backlight

DLED

Aspect Ratio

16:9

Brightness

55-inch: 300 cd/m²; 65-inch: 350 cd/m²; 75-inch: 350 cd/m²; 86-inch: 400 cd/m²

Resolution

3840 (H) × 2160 (V)
UI: 1920 (H) × 1080 (V)

Viewing Angle

H: 178°; V: 178°

Lifespan

50,000 hours

Refresh Rate

60 Hz

Static Contrast

1200:1

Camera

Pixel

5 MP

Auto Control

Auto white balance

Distortion

≤ 5%

Max. Resolution

Android: 1080p@30fps; OPS: 2560 × 1440@30fps

Field of View

H:84.5°; V: 54.0°; D: 93.1°

Device Ports

Light Sensor

1

Front Button

1 × Power button (right side)

Front Ports

1 × USB 3.0 (left side)

Network Port

1 × RJ-45

Wi-Fi

1 × Wi-Fi; 1 × hotspot

USB

3 × USB 3.0; 1 × Micro USB

RS-232

1 × RS-232

Video Input

1 × HDMI IN

Audio Output

1 × 3.5 mm (Line out)

Others

1 × Touch

IrDA

1

Microphone

2

Touchscreen

Touch Technology Type

IR touch technology

Response Time

< 10 ms

Touch Points

20

Valid Touch

2 mm

Writing Mode

Finger + Stylus pen

Touch Resolution

32767 × 32767

Number of Multi-user Writing Points

2

Speaker

Power

Full frequency: 2 × 15 W

Built-in Speaker

2

Microphone

Pick-up Distance

Far-field sound pickup: 6 m–8 m (19.69 ft–26.25 ft)

Number of Microphones

2

AGC

Yes

Echo Cancellation

Yes

Polar Pattern

Omnidirectional

Intelligent Noise Filtering

YES

General

Power Supply

100–240 VAC, 50 Hz/60 Hz

Power Consumption

55-inch: 200 W; 65-inch: 250 W; 75-inch: 300 W; 86-inch: 400 W

Operating Temperature

0 °C to +40 °C (32 °F to +104 °F)

Storage Temperature

–10 °C to +50 °C (–14 °F to +122 °F)

Operating Humidity

10%–90% (RH)

Storage Humidity

10%–90% (RH)

Product Material

Metal casing

Protective Glass

Anti-dazzle tempered glass with a hardness of 7 on the Mohs scale

Casing Color (Frame/Rear)

Bottom: Silver; top/left/right: black

Product Dimensions

65-inch: 1,485.0 mm × 86.9 mm × 924.7 mm (58.46" × 3.42" × 36.41")(L × W × H)

75-inch: 1,707.2 mm × 87.1 mm × 1,050.1 mm (67.21" × 3.43" × 41.34")

86-inch: 1,953.0 mm × 87.1 mm × 1,188.6 mm (76.90" × 3.43" × 46.80")

55-inch: (with camera): 1,261.4 mm × 80.9 mm × 816.6 mm (49.66" × 3.19" × 32.15") (L × W × H)

65-inch: (with camera): 1,485.0 mm × 86.9 mm × 941.2 mm (58.46" × 3.42" × 37.06")

75-inch: (with camera): 1,707.2 mm × 87.1 mm × 1,066.4 mm (67.21" × 3.43" × 41.98")

86-inch: (with camera): 1,953.4 mm × 87.1 mm × 1,205.1 mm (76.91" × 3.43" × 47.45")

Frame Size

Top: 43.1 mm (1.70"); left/right: 16.1 mm (0.63"); bottom: 67.8 mm (2.67")

Packaging Dimensions

55-inch: 1,366 mm ×180 mm × 935 mm (53.78" × 7.09" × 36.79") (L × W × H)

65-inch: 1587 mm × 235 mm × 1070 mm (62.48" × 9.25" × 42.13")

75-inch: 1810 mm × 235 mm × 1157 mm (71.26" × 9.25" × 45.55")

86-inch: 2056 mm × 235 mm × 1334 mm (80.94" × 9.25" × 52.52")

Net Weight

55-inch: 27.5 kg (60.63 lb)
65-inch: 38 kg (83.80 lb)
75-inch: 54 kg (119.10 lb)
86-inch: 64 kg (141.10 lb)

Gross Weight

55-inch version: 32.5 kg (71.65 lb)
65-inch version: 46 kg (101.41 lb)
75-inch version: 65 kg (143.30 lb)
86-inch version: 77 kg (169.76 lb)

Holes Distance

55-inch version: 400 mm × 400 mm (15.75" × 15.75")
65-inch version: 400 mm × 500 mm (15.75" × 19.69")
75-inch version: 400 mm × 600 mm (15.75" × 23.62")
86-inch version: 400 mm × 750 mm (15.75" × 29.53")

Installation

Wall mount, mobile bracket

Standby Power Consumption

0.5 W

Packing List

Smart interactive whiteboard 1; Power cord 3; Stylus pen 2 ; Quick start guide 1; Wall mount bracket (already installed on the whiteboard) 1; Accessory package 1

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 23952260768

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4.3 ★★★★★
Based on 15 reviews
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Product Reviews
S
SassC
Chelsea, US
★★★★★ 4
Pretty, comfortable bra; small issue with cup structure
Size: 44D, Color: Black, Size: 44D, Color: Black
This is the first underwire bra I’ve worn in about six years - I’ve been wearing sport bras, so I wasn’t sure I’d like it. This bra is pad free, lightweight, and made of very pretty lace. When I put it on, the underwire was not uncomfortable, and the bra itself fit relatively well. I was surprised that the band in the back was also comfortable, not digging into my skin. The bra is well-made with one exception. I think the top of the cup requires more structure. I feel that it’s a little too loose and the contents will fall out if I was to lean over too far or if I were to run or do anything slightly athletic. I like the bra - it’s comfortable and pretty but it has that one issue with the cup structure. I’ve decided that this would not be a good bra to wear all day, but because it is so pretty, I would wear it with evening wear only.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
T
Verified Purchase
TeeJae
Charlottesville, US
★★★★★ 3
Seam shows right in the center of your brea$t!
Size: 38C, Color: Dark Pink
Had to return even though I loved the fit and feel of the bra. The seam that goes across the middle and your nippies shows through on every type of shirt I wear. And one side has a little extra room which made it ripple vertically I guess because the material/lace is so thin. Real bummer. Would be nice if B cup was available. C was just a little large.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
R
Verified Purchase
Ryan
Los Angeles, US
★★★★★ 5
The BEST braw ever!
Size: 36D, Color: Nude
This braw was the best braw I’ve ever had in my life! I’ll definitely buy more!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
D
Discerning
Lowell, US
★★★★★ 5
This one is a keeper…
Size: 36D, Color: Nude
Bra shopping is truly one of my least favorite things to do, and it is always so frustrating to me. Online bra shopping tends to be even worse, so I had little hope for this bra but took a chance anyway. I was pleasantly surprised by how much I liked it! A true test for me is whether or not I notice I’m wearing it. I’ve worn it off and on for several days and I totally forget about it. Having nurses two babies and approaching my 40s, my girls need a lot of support and this bra delivered. I thankfully discovered years ago that if you have deflated mom boobs, an unlined cup is the best way to take what you have and give it shape. This one does just that. I have very mixed feelings on the lace though. On the one hand, it is sexy and feminine and I don’t find that in bras very much anymore (at least not ones that provide the kind of lift and support that I require). However, the lace is very noticeable through a shirt. I really can only wear this bra with a thick top or sweater. Otherwise, it’s just too noticeable and I’m not comfortable with that. Wearing a cami underneath a top helps slightly though. Overall, I’m glad I have this bra and I’ll be ordering another color. It feels well made, the material is nice, and it gives my bust a shapely (and youthful 😭) appearance. I wore it all day in 90+ heat at Magic Kingdom and it didn’t bother me at all, so it definitely qualifies as lightweight and comfortable in my book. I took a stab at a size and the 36D feels right. I *maybe* could have gotten a 34 but the 36 doesn’t feel loose on the tightest loops. On occasion, depending on the brand, I can be either a D or DD. I think this is worth trying and looks more expensive than it really is!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
K
Kate
Grantham, US
★★★★★ 5
Gorgeous Bra, But My Chest Declined the Opportunity
Size: 40C, Color: Black, Size: 40C, Color: Black
This bra is genuinely beautiful and very well made. The fabric, stitching, and overall construction felt much more expensive than I expected. Unfortunately, my body once again reminded me that I am apparently not built according to standard human engineering specs. Every few years I convince myself, “Surely this time I am a normal-sized woman who can wear regular bras.” Then I order one designed for actual flesh-bearing individuals and reality humbles me immediately. The cups stood there optimistically waiting to be filled while my chest contributed little to the project. The straps also kept sliding off my narrow shoulders like they were trying to escape the situation entirely. None of this is the bra’s fault. The fabric is soft, silky, and looks like money. It's just as pretty as the photos. The straps appear as though they could support a lot for a long time. The bra did its job. My body simply refused to participate. If you have average proportions and shoulders that can support standard straps, this is probably a fantastic purchase. I, however, must return to my specialized tiny-person undergarments and accept my fate.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026

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