Windows POS Android POS



Function introduction

Demester is ideal for point-of-sale applications that require larger workload in multiple environments. The terminal is developed to support any kind of software application thanks to different CPU performance levels. and developed to be flexible, and can easily updated to become your company's most loyal helper.


1. Google service

Demester android POS with google playstore GMS

2. Multiple connect port.

RS232 for weight scale,HDMI for display monitor.

3. Demester POS with 5 USB-C for proprietary peripherals

Consolidate peripheral integrations for attended and unattended applications

4. Multiple CPU options

Rockchip RK3288/ RK3568 configurations: keep consistent look and feel across your business environment

5. Multiple operating systems

Compatible in both Android 8.1 & Android 11.

6. Cable management

Easily hide cables in the base for a clean installation

7. Inbuilt 80MM thermal Printer

Commands support: ESC/POS /OPOS Driver , interface USB/RS232/ bluetooth. Support thermal receipt & thermal Label.
Load paper size 80*70mm ,
Printing speed: 200mm/sec Cash drawer: (9-24V )


· Second display 10.1" IPS (1280*800)

· Second display 7" IPS (1024*600)

· 2D Barcode Scanner (inbuilt)

· NFC Card Reader

  • OS

    Android 7.1/ 8.1/11

  • CPU

    RK3288 / RK3568

  • Memory

    2GB ROM, DDR4, up to 4GB
    + 16GB RAM, up to 64G

  • Main Display

    14 inch IPS (BOE brand )

  • 2nd Display

    7/10.1 inch (Touch on 2nd display optional)

  • Wifi

    2.4G or 2.4G+5G (optional)

  • Bluetooth

    Bluetooth 4.2 protocol/BLE (optional)

  • Printer

    80mm receipt thermal printer with auto cutter

Model No. DEM140A
Processor RK3288 ARM Cortex-A17 Quad-Core, 1.8GHz
RK3568 ARM Cortex-A55 Quad-Core, 2.0GHz
Memory 2GB, DDR3L or DDR4, up to 4GB
Storage 16GB, up to 32/64GB
OS Android 7.1/ 8.1/11
Type 14 inch IPS (BOE brand )
Resolution 1920*1080
Aspect Ratio 16:9
Brightness 250 nits
Touchscreen True flat capacitive touch
Printer Mechanism 80mm receipt thermal printer with auto cutter
Commands ESC/POS,OPOS driver
Paper size 80*70mm
USB 3*USB2.0, 2*USB3.0, 1*OTG
LAN 1*RJ45 1000M
Serial 2*RS232(RK3568), 1*UART (RK3288)
Display 1*HDMI (RK3568)
Audio 1*Audio
Cash Drawer 1*RJ11 (RK3288)
SD Port 1*TF slot, 1*SIM slot
Power DC-IN Input AC 100~240V/50~60hz, Output DC 12V/7A
Operating Temperature Operating 0°~50°
Operating Temperature Storage-20°~60°
Dimensions (L*W*H) 335mm x 238mm x 339mm
Net Weight 5.9kg
Color Black
2nd Display 7/10.1 inch (Touch on 2nd display optional)
Scanner Embedded scanner option, support 1D, 2D
Card Reader NFC optional
4G Module Support 4G TD-LTE, FDD-LTE (optional)
Wifi 2.4G or 2.4G+5G (optional)
Bluetooth Bluetooth 4.2 protocol/BLE (optional)
Speaker 1*3W speaker (optional)