Dahua LCH65-MC410-B 55/65/75/86 inch Smart Interactive Whiteboard

Specifications

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