Bell Ding Dong Indoor + Outdoor Button Machine Wireless Dingdong Doorbell Self-Powered

Bell Ding Dong Indoor + Outdoor Button Machine Wireless Dingdong Doorbell Self-Powered
Bell Ding Dong Indoor + Outdoor Button Machine Wireless Dingdong Doorbell Self-Powered Bell Ding Dong Indoor + Outdoor Button Machine Wireless Dingdong Doorbell Self-Powered Bell Ding Dong Indoor + Outdoor Button Machine Wireless Dingdong Doorbell Self-Powered



Description :
Features :
 
1. simple appearance design, elegant, unique style.
2. ltra low power design, power saving and durable use.
3. ultra long distance remote control, stable signal.

 
Specification :

Technical Parameter  Indoor Receiver / Outdoor Transmitter
Voltage range AC: 110V-240V / self generating module
Working temperature: -10~55℃ / -20~65℃
Transmission distance: 20-30M (obstacle of the two walls) / 30-50M (can achieve under some of environment)
Working frequency: 433.92MHz±200KHz
Volume: 25-110dB
Power consumption: 0.1W
 
Package includeds :

1 x Bell Ding Dong Indoor
1 x Bell Ding Dong outdoor
1 x Manual

 
Details pictures :






















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