Display Tech | e-paper, high visibilty, viewing angle 180° |
Display Colour (3-colour) | black-white-yellow or black-white-red |
Transmission Speed | one shop (30,000 units), within 30 mins |
Success rate | 100% |
Frequency | Sub-G (433 MHz), prevent interference from wi-fi and can penetrate through wall and water |
Wireless Coverage | 30-50 m |
Operating Temperature | 5°C to 40°C (normal), -25°C to 15°C (sub-zero) |
Communication | real-time or 2-way communication |
Battery Life | 5 years replaceable on-site |