Model: SRF-916 Display size: 4.2 "(appearance size W93.4 x H106.5 x D14.1 mm)

Resolution: 400 x 300 / Transfer: EXTERNAL SUB-1GHZ

Battery life: more than 5 years (updated twice daily)

The use of electronic paper technology, low power consumption.

High-resolution, can display any Logo, and can display bar code and QR code.

Theft security buckle design, store the use of ultra-assured.