Dahua ST470-C Series 75-inch Smart Interactive Whiteboard
• Supports 4K ultra-high-definition display with a 4K UI.
• Equipped with 2 built-in mid-high frequency speakers; supports 2.0 sound channel audio output, with a total speaker power of 40 W.
• Produces vibrant and vivid visual effects through its high color gamut (90% NTSC high color gamut screen), high color accuracy (ΔE ≤ 1.5), and brightness of 400 cd/m².
• Supports one-click screen sharing from mobile phones, computers, tablets, etc., and multi-screen split display function.
• Supports various office software such as Office and audio/video file playback.
• Smooth writing: supports handwriting and stylus input, with fast writing response speed, and supports pen-tip pressure sensitivity for a realistic writing experience.
• Supports smart text and smart graphics.
• Supports smart pen pick-up detection, automatically wakes up annotations and whiteboard when the pen is lifted, enabling quick entry into writing mode.
• BYOM: Supports using the whiteboard camera and microphone via TYPE-C IN and screen mirroring device.
• Supports card swipe for unlocking and account login.
• Supports all-featured TYPE-C IN.
• Supports HDMI IN ARC
Description
Built-in System
| Operating System | Android 16.0 |
|---|---|
| CPU | Quad-core A53 + quad-core A72 |
| CPU Frequency | Main frequency 2.2 GHz |
| GPU | Mali-G52 MC3 |
| RAM | 8 GB |
| ROM | 128 GB |
General
| Operating System of External Module | Windows 11; Android |
|---|---|
| Power Supply | 100–240 VAC, 50/60 Hz |
| Power Consumption | 120 W (basic), 350 W (max) |
| Standby Power Consumption | ≤0.5 W |
| Operating Temperature | 0 °C to +40 °C (+32 °F to +104 °F) |
| Storage Temperature | –20 °C to +60 °C (–4 °F to +140 °F) |
| Operating Humidity | 0%–93%, 101 kPa |
| Storage Humidity | 0%–93%, 101 kPa |
| Protection | IP20 |
| Product Material | Metal casing |
| Glass | 3 mm anti-dazzle tempered glass |
| Casing Color (Frame/Rear) | Black on the left and right, dark blue on the top and bottom |
| Product Dimensions | 1,707.6 mm × 115.7 mm × 1,067.2 mm (67.23″ × 4.56″ × 42.02″) |
| Frame Size | Top frame: 40.9 mm (1.61″); Left and right frame: 17.5 mm (0.69″); Bottom frame: 65.3 mm (2.57″) |
| Packaging Dimensions | 1,875.0 mm × 227.0 mm × 1,177.0 mm (73.82″ × 8.94″ × 46.34″) (L × W × H) |
| Net Weight | 48.6 kg (107.14 lb) |
| Gross Weight | 57.3 kg (126.32 lb) |
| Holes Distance | 600 mm × 400 mm (23.62″ × 15.75″) |
| Installation | Wall mount or mobile bracket |
| Packing List | 1 × Smart Display 2 × Stylus Pen 1 × Wall Mount Bracket 1 × Global Laws and Regulations Manual 1 × Wireless Plug-in Module 1 × Power Cord 1 × Quick Start Guide 1 × Expansion Tube and Expansion Screw Set 1 × Remote Control |
LCD Panel
| Screen Size | 75 inch |
|---|---|
| Backlight | DLED |
| Aspect Ratio | 16:9 |
| Brightness | 400 cd/m² |
| Static Contrast Ratio | 1500:1 |
| Resolution | 3840 (H) × 2160 (V) |
| Viewing Angle | 178° (H)/178° (V) |
| Lifespan | ≥30,000 hrs |
| Display Color | 90% NTSC |
| Response Time | ≤8 ms |
| Refresh Rate | 60 Hz |
Device Ports
| Light Sensor | 1 |
|---|---|
| Front Button | 8 buttons: Custom Volume – Volume + Curtain Touch lock Signal source Home Power supply |
| Front Ports | 1 × TYPE-C port 2 × USB 3.0 port 1 × HDMI IN port 1 × Touch port |
| Rear Port | 1 × HDMI OUT port 2 × HDMI IN ports 2 × Touch ports 1 × USB 2.0 port 2 × RJ-45 ports 1 × Type-C IN port 1 × DP IN port 2 × USB 3.0 port |
| SD Card Slot | 1 × SD card slot, up to 512 GB |
| Others | 1 × SPDIF OUT port 1 × RS-232 port 1 × LINE OUT port 1 × LINE IN port 1 × VGA AUDIO IN port 1 × VGA IN port 1 × Touch port |
| Wi-Fi | Yes |
| Wi-Fi Standard | 802.11b/g/n/a/ac/ax |
| Wi-Fi Frequency Range | 2400-2483.5 MHz，5150-5350 MHz，5470-5725 MHz，5725-5850 MHz |
| MAX Power Transmission (Wi-Fi) | ≤20 dBm@2400-2483.5 MHz； ≤23 dBm@5150-5250 MHz； ≤20 dBm@5250-5350 MHz； ≤27 dBm@5470-5725 MHz； ≤14 dBm@5725-5850 MHz |
| Bluetooth | Yes |
| Bluetooth Standard | BR/EDR/BLE (Bluetooth mode), BT5.4 |
| Bluetooth Frequency Range | 2400-2483.5 MHz |
| MAX Power Transmission (Bluetooth) | ≤20 dBm@2400-2483.5 MHz； |
| RFID Modulation Method | ASK |
| RFID Frequency Range | 13.56 MHz |
| MAX Power Transmission (RFID) | 13.56 MHz: 42 dBuA/m @10 m |
Function
| IR Receiver | 1 |
|---|---|
| NFC | 1 × NFC |
| Wireless Access Point | Wi-Fi 6, 2.4 GHz/5 GHz; supports 802.11a/b/g/n/ac/ax |
Touchscreen
| Response Time | ≤1.67 ms |
|---|---|
| Touch Technology | Infrared |
| Attachment Method | Zero Air Gap |
| Touch Points | Android: 50 points Windows: 50 points |
| Touch Accuracy | ±0.5 mm (covers 90% of the area) |
| Valid Touch | 1.5 mm (0.06″) |
| Writing Mode | Finger and stylus pen (magnetic) |
| Communication Mode | USB |
| Anti-light Interference | Anti-dazzle tempered glass |
| Surface Hardness | ≥9H |
| Touch Resolution | 32767 × 32767 |
Speaker
| Built-in Speaker | 2 mid-high frequency speakers |
|---|---|
| Power | 2.0 sound channel, front-end 2 × 20 W |
| Frequency | 150 Hz–20 kHz |
Microphone
| Microphone | 8 arrays |
|---|---|
| Pick-up Distance | 0.5 m-8 m (1.64 ft–26.25 ft) pickup |
| AGC | Yes |
| Echo Cancellation | Yes |
| Polar Pattern | Omnidirectional |
| Intelligent Noise Filtering | Yes |
Certification
| Certifications | CE, CB, EDLA |
|---|
