Dahua LPH65-ST420-S3 65″ Smart Interactive Whiteboard
The 65″ DLED panel with Zero Air Gap technology delivers sharp, vivid 4K visuals. Powered by Android 14 with a quad-core processor, 8 GB RAM and 32 GB storage. Supports wireless screen sharing from multiple devices.
Key Features:
- Zero Air Gap DLED display technology
- 8 physical front buttons
- AI recognition of drawings
- Wireless screen sharing
- QR code file sharing
- Android and Windows dual system
Transform your classroom, meeting room, or collaborative workspace with the Dahua LPH65-ST420-S3, a 65-inch smart interactive whiteboard delivering a premium collaboration experience.
The 65″ DLED panel with Zero Air Gap technology delivers sharp, vivid 4K visuals. Powered by Android 14 with a quad-core processor, 8 GB RAM and 32 GB storage. Supports wireless screen sharing from multiple devices.
8 physical front buttons for quick access to functions, smooth writing with AI recognition of drawings, and quick file sharing by scanning a QR code with easy file encryption. Switches between Android and Windows — OPS module is optional.
Specifications:
| Operating System | Android 14 |
| CPU | Quad-core A55 |
| CPU Frequency | 1.9 GHz |
| GPU | ARM Mali-G52 MP2 (2EE) |
| RAM | 8 GB |
| ROM | 32 GB |
| Panel Dimensions | 65 inch |
| Backlight | DLED |
| Aspect Ratio | 16:9 |
| Brightness | 400 cd/m² (typ.) |
| Static Contrast | VA: 4000; IPS: 1200 |
| Resolution | 3840 (H) × 2160 (V) |
| Viewing Angle | 178° (H); 178° (V) |
| Lifespan | 50,000 hrs |
| Display Color | 1.07 Billion colors (10 Bit) |
| Response Time | 8 ms (typ.) |
| Refresh Rate | 60 Hz |
| Light Sensor | Yes |
| Front Button | 8 buttons: Whiteboard, volume, curtain, touch lock, signal source, navigation bar, homepage, power supply |
| Front Ports | 1 × Type -C 1 × HDMI IN 1 × USB Touch 2 × USB 3.2 Gen1 Type-A 1 × 3.5 mm Mic in 1 × Type-C (DP IN (4K@60 fps) + USB 3.0 Host+USB 2.0 device (touch) + PD 65 W); supports wired network sharing |
| Rear Port | 1 × Type -C 2 × HDMI IN (4K@60 Hz) 1 × VGA IN 1 × HDMI OUT (4K@60 Hz) 3 × USB Touch 2 × USB3.2 Gen1 Type-A Audio In: 1 × 3.5 mm Line In Audio Out: 1 × SPDIF and 1 × 3.5 mm Line out RS-232: 1 × DB9 port Micro: 1 × USB 2 × RJ-45 1 × OPS slot |
| Wi-Fi | Yes |
| Wi-Fi Standard | 802.11b/g/n/a/ac/ax |
| Wi-Fi Frequency Range | 2.4 GHz/5 GHz |
| MAX Power Transmission (Wi-Fi) | CE EIRP: ≤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 | EDR, BT2.1/4.2/5.2/5.3 |
| Bluetooth Frequency Range | 2400–2483.5 MHz |
| MAX Power Transmission (Bluetooth) | CE EIRP: ≤20 dBm@2400–2483.5 MHz; |
| RFID Modulation Method | ASK |
| RFID Frequency Range | 13.56 MHz |
| MAX Power Transmission (RFID) | 42 dBuA/m @10 m |
| IR Receiver | 1 |
| Card Swiping with NFC | Yes |
| Wireless Access Point | Wi-Fi 6, 2.4 GHz/5 GHz, supports 802.11 a/b/g/n/ac/ax₩WIFI 5, 2.4 GHz/5 GHz; Supports enabling Hotsport and WIFi at the same time |
| Response Time | ＜10 ms |
| Touch Technology | Infrared |
| Attachment Method | Zero Air Gap |
| Touch Points | 21 points for Android, and 40 points for Windows |
| Touch Accuracy | ±1 mm (0.04″) |
| Valid Touch | 2 mm (0.08″) |
| Touch Height | 3 mm (0.12″) |
| Writing Mode | Finger and stylus pen |
| Communication Mode | USB |
| Anti-light Interference | Anti-dazzle |
| Surface Hardness | ≥9 H |
| Touch Resolution | 32,767 × 32,767 |
| Built-in Speaker | 2 × full-frequency speaker |
| Power | 2.0 sound channel, front-end: 2 × 15 W₩2.0 sound channel, front-end: 2 × 20 W |
| Power Supply | 100–240 VAC, 50/60 Hz |
| Power Consumption | 65-inch: 120 W (typ.); 215 W (max, without OPS and Quicker Changer） |
| Standby Power Consumption | ≤0.5 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 |
| Glass | 4 mm anti-dazzle tempered glass |
| Casing Color (Frame/Rear) | Black frame for left and right, silver frame for top and bottom and black frame for back |
| Product Dimensions | 1,485.2 mm × 121.3 mm × 924.5 mm (58.47″ × 4.48″ × 36.40″) (L × W × H) |
| Frame Size | Top frame: 27 mm (1.06″); Left and right frame: 16.5 mm (0.65″); Bottom frame: 68 mm (2.68″) |
| Packaging Dimensions | 1,580.0 mm × 200.0 mm × 1030.0 mm (62.20″ × 7.87″ × 40.55″) (L × W × H) |
| Net Weight | 36.5 kg (80.47 lb) |
| Gross Weight | 47 kg (103.62 lb) |
| Holes Distance | 500 mm × 400 mm (19.69″ × 15.75″) |
| Installation | Wall mount or mobile bracket |
| Certifications | CE |
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