| Frame Color | Black, White |
|---|---|
| Display Color | Black/White/Red, Black/White/Yellow |
| Battery Life | 2 Year Long at Freezer, 5 Year Long, 7 Year Long |
| LED Support | No, Yes (3 Color: Red/Green/Blue) |
R290
- Product Dimension: 3.5″ x 1.7″ x 0.5″
- Display size: 2.6″ x 1.1″
- Operation temperature: 41°F ~ 95°F (Normal) or -4°F ~ 32°F (Freezer)
- Update condition: 3 updates per day at normal or freezer temperature
- Full graphic e-paper display at 180 degree angle
- 2.4GHz (IEEE802.15.4 based on ZigBee) 2 way wireless communication
- Dynamic NFC included
