CALL BUTTON SERVICE CALLING SYSTEM THEO CBSCS-001

1. RF frequency: 433MHz
2. Modulation mode: ASK (AM)
3. Working chip: learning code
4. Power: 2pcs 3V CR2016 battery (included)
5. Transmission distance: 100 meters (in open area)
6. Working temperature: -20°C  to 55°C
7. Size: 64 x 61 x 15mm / 2.5 x 2.4 x 0.6 in
8. Weight: 30g