Bluetooth Doorbell Chime

Bluetooth Doorbell Chime

1. Operation frequency：433.92MHz

2. Receiver：lLithum battery included

Transmitter：1*CR2032 3V DC included

3. Number of tones：4

4. Transmitter：waterproof IP44

5. Distance (free-field)：100m

6. Volume Selection：yes

7. Permissible ambient temperature：0–35 °C

8. Safety assurance with CE RED certified