Brand Name | JIANHE | Product model | JH-QWESL |
Type | Eink | Display Size | 3.7 inch |
Resolution | 416*240 | Communicatietechnologie | 2.4Ghz SDR |
Ingress Protection | IP65 | Viewing Angle | 175° |
Working Voltage | CR2450x2 | Product Size | 104.1x58.11x9.1 mm |
Display Color | Black/White/Yellow/Red | Operating Temp | 0 ~ 30ºC |



Material | ABS/PC/PVC |
Usage | Electronic Products |
Technology | Bluetooth 5.0 |
Features | NFC(Optional),LED Lights |
Battery Lifetime | 5 Years |
Color | White/Black/Red/Customized |
Fixing Ways | Bracket/Ice Plug/Shelf Rail etc |
Storage Temperature | -20ºC-60ºC |
Transmitting Distance | 30-60 Meters |







1. Warranty: 1 years
2. Free Replacement: If have inaccurate card within order, Jianhe Smart Card will provide free replacements.