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Power:Electric Supply
Item Type:Wireless Doorbell
Connection Type:Wireless
Alarm:Yes
1.Standby power: within 3W
2.Frequency: 433MHZ RF operating frequency
3.Voltage: AC 110-220V
4.Working temperature: -20-50 Celsius Degrees
5.Battery: 12V 23A battery
6.Distance: 200 meters from the open distance
7.Controllable volume: 25-85dB
Yiroka Wireless Doorbell Smart Doorbell Digital Doorbell for the Elderly
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Flexible returns
Item Type:Wireless Doorbell
Connection Type:Wireless
Alarm:Yes
1.Standby power: within 3W
2.Frequency: 433MHZ RF operating frequency
3.Voltage: AC 110-220V
4.Working temperature: -20-50 Celsius Degrees
5.Battery: 12V 23A battery
6.Distance: 200 meters from the open distance
7.Controllable volume: 25-85dB
Specification:
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