Dahua Technology DHI-LPH75-ST420 interactive whiteboard 190.5 cm (75") 3840 x 2160 pixels Touchscreen Black HDMI
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- Wireless screen sharing from multiple devices with an intuitive, easy-to-use system
- 8 physical front buttons for quick access to functions
- Smooth writing experience, and handwriting recognition
- Quick file sharing by scanning a QR code, with easy file encryption for added privacy and security
- Switches between Android and Windows, and OPS module is optional
The Lite Series are highly competitive digital whiteboards that also offersthebasic AI features of the Pro Series, such as Handwriting Recognition(*only ST420). For education or business scenarios, the lite series integrates practical functions that make writing, browsing the web, operating APPs, file management, remote meetings, etc.,easier than ever.
Educational Software Compatibility
Effectively assists teachers in each teaching workflow, including easy lesson preparation, interesting class organization, and timely performance assessments. It encourages students to participate fully in class activities such as games and quizzes and inspires them to explore.
Easy Screen Sharing
One-tap wireless screen sharing allows users to present and explore ideas across devices in real-time. It supports up to 9 split screens to encourage participation. The 4K UHD display brings a super clear visual experience.
| Display | |
|---|---|
| Accuracy touch | 1 mm |
| Hardness | 8H |
| Surface material | Tempered glass |
| Screen glass thickness | 4 mm |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Touch object size (min) | 2 mm |
| Touch system response time | 10 ms |
| Touch resolution | 32767 x 32767 pixels |
| Number of simultaneous touchpoints | 40 |
| Touchscreen type | Infrared |
| Touch technology | Multi-touch |
| Touchscreen | Yes |
| Maximum refresh rate | 60 Hz |
| Response time | 8 ms |
| Contrast ratio (typical) | 1200:1 |
| Native aspect ratio | 16:9 |
| LED backlighting type | Direct-LED |
| HD type | 4K Ultra HD |
| Display resolution | 3840 x 2160 pixels |
| Display number of colours | 1.07 billion colours |
| Display brightness | 400 cd/m² |
| Display diagonal | 190.5 cm (75") |
| Computer system | |
|---|---|
| RAM capacity | 8 GB |
| User memory | 64 GB |
| Maximum internal memory | 64 GB |
| Processor cores | 4 |
| Processor frequency | 1.9 GHz |
| Built-in processor | Yes |
| Operating system version | 11 |
| Operating system installed | Android |
| Audio | |
|---|---|
| Speaker power | 15 W |
| Number of built-in speakers | 2 |
| Built-in speaker(s) | Yes |
| Projector | |
|---|---|
| Built-in projector | No |
| Network | |
|---|---|
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| Bluetooth version | 5.2 |
| Wi-Fi standards | 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Top Wi-Fi standard | Wi-Fi 5 (802.11ac) |
| Wi-Fi | Yes |
| Ports & interfaces | |
|---|---|
| RS-232 ports | 1 |
| Audio output | 1 |
| Microphone connectivity | 3.5 mm |
| S/PDIF out port | Yes |
| Line-out | Yes |
| Line-in | Yes |
| VGA (D-Sub) ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 2 |
| USB Power Delivery (USB PD) | Yes |
| USB Type-C DisplayPort Alternate Mode | Yes |
| HDMI output ports quantity | 1 |
| USB Type-C ports quantity | 2 |
| HDMI ports quantity | 4 |
| USB connector type | Micro-USB |
| Interface module USB 3.2 Gen 1 (3.1 Gen 1) Type-B ports quantity | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| Interface | HDMI |
| Ergonomics | |
|---|---|
| Certification | CE, CB, Energy Star, ERP, RoHS, WEEE |
| Wall mountable | Yes |
| Panel mounting interface | 600 x 400 mm |
| VESA mounting | Yes |
| Product colour | Black |
| Performance | |
|---|---|
| Ambient light sensor | Yes |
| Power | |
|---|---|
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Power consumption (typical) | 150 W |
| Power consumption (max) | 300 W |
| System requirements | |
|---|---|
| Mobile operating systems supported | Android |
| Windows operating systems supported | Yes |
| Operational conditions | |
|---|---|
| Storage relative humidity (H-H) | 10 - 90% |
| Storage temperature (T-T) | -10 - 50 °C |
| Operating relative humidity (H-H) | 10 - 90% |
| Operating temperature (T-T) | 0 - 40 °C |
| Weight & dimensions | |
|---|---|
| Weight | 52 kg |
| Height | 1050 mm |
| Depth | 930 mm |
| Width | 1707.5 mm |
| Packaging data | |
|---|---|
| Quantity per pack | 1 pc(s) |
| Package weight | 6.5 kg |
| Package height | 1165 mm |
| Package depth | 200 mm |
| Package width | 1800 mm |
| Packaging content | |
|---|---|
| Stylus pen type | Passive |
| Stylus included | Yes |
| Remote control included | Yes |
| Mounting brackets included | Yes |
| Quick start guide | Yes |
| Cables included | HDMI, Power |
| Sustainability | |
|---|---|
| Sustainability compliance | Yes |
| Sustainability certificates | ENERGY STAR, ErP |
| Compliance certificates | CB, CE, RoHS, WEEE |
