Attributes
4.2 inchScreen Size
EnglishSupporting Language
Guangdong, Chinaplace of origin
4 GRAYdisplay color
300PPIresolution ratio
4.2 XH-02model number
Display Type:LCD
Size:NFC 2.13/2.66/2.9/4.2/7.5 inch
Screen color:Black, white and red bistable
appearance:White (support rainbow customization)
Screen display mode:Electronic paper dot matrix
Operating voltage:3.1-3.3V
Battery life:3 to 5 years
Communication protocol:Zigbee/ Private Protocol (encryption) or Bluetooth v4.2
Operating temperature:0°C-40°C
Type:lcd
Battery:2 x CR2450
Selling Units:Single item
