Professional LCD and touch screen manufacturer/design solution provider
The LMM390001 is a 39-inch square-format industrial monitor built for applications where a 1:1 aspect ratio is essential. Whether used in digital signage, interactive kiosks, advertising displays, restaurant menus, or museum exhibits, this panel delivers sharp visuals and stable performance. Powered by Android 5.1.1 and a quad-core RK3288 processor, the LMM390001 supports both standalone apps and remote content management.
True square display – 1900 x 1900 resolution, 706.8mm x 706.8mm active area
High contrast – 5000:1 for deep blacks and vivid colors
Reliable brightness – 350 cd/m², suitable for indoor commercial environments
Android 5.1.1 OS – install APKs, schedule content, enable touch interaction
RK3288 1.8GHz quad-core CPU – smooth UI and media playback
Expandable storage – 2GB RAM + 8GB ROM standard (upgradeable to 4GB/64GB)
| Interface | Specifications |
|---|---|
| USB | 2 x USB HOST, 5 x USB pins |
| Serial Ports | 4 total (2 x TTL, 2 x RS232); one shared with Bluetooth |
| HDMI Output | 1 x HDMI, supports 1080P@120Hz, 4K2K@60Hz |
| Audio | L/R output, built-in dual speakers (2x20W / 8Ω10W) |
| Network | Ethernet + Wi-Fi |
| Card Slot | SD card (supports local system upgrade) |
| Headphone Jack | 3.5mm, supports 3/4-pole plug |
Video formats: WMV, AVI, FLV, RM, RMVB, MPEG, TS
Image formats: BMP, JPEG, PNG, GIF
Built-in amplifier – drives external speakers if needed
| Parameter | Specification |
|---|---|
| Model | LMM390001 |
| Screen Size | 39 inch |
| Outer Dimensions | 736 x 736 x 60 mm |
| Display Area | 706.8 x 706.8 mm |
| Housing Material | Black fine-sand texture metal |
| Weight | 17 kg |
| Package Size | 840 x 840 x 120 mm |
| Power Input | AC 110–240V |
| Max Power Consumption | ≤120W |
| Standby Power | ≤1W |
| Operating Temperature | 0°C ~ 50°C |
| Storage Temperature | -20°C ~ 50°C |
| Operating Humidity | 10% ~ 80% RH |
Note: Brightness, external interface types, and bezel color are customizable upon request.
Square-format digital signage
Retail advertising displays
Self-service kiosks
Museum and gallery exhibit panels
Restaurant digital menu boards
Interactive directories
LMM390001 39" square monitor
Power cord (AC 110–240V)
User manual
Optional VESA/wall mount (contact for options)
Professional LCD and touch manufacturer/design solutions
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