PJ-16 Intelligent Wireless Doorbell with 8-level Volume Adjustable & 36 Ringtones, EU Plug

1. Use the industrys most stable music chip, load 36 chord ringtones, pleasant and wonderful.
2. The adjustable 8-level volume can meet the needs of different environments.
3. The doorbell has the function of power-off memory, which can remember the volume before power-off and the selected music. No need to worry about losing information.
4. Low-power design, ultra-power-saving and durable use.
5. Working Voltage: AC110-240V
6. Wireless Frequency: 433MHz
7. Coding Mode: 1527/330Kohm
8. Applicable Temperature: -20 ~ +55 Celsius Degrees
9. Applicable Humidity: 40% ~ 80%RH
10. Working Distance: 100m (100m Open)