タイトルまたは説明

Range of Application:
House, Office, Hotel Service
Community Building, Factory, Construction Site
And other areas that is suitable for short-distance wireless environment.
 
Parameters
 Receiver:
Speaker: 8Ω1W
Receiver Sensitivity: ***0DBM
Static Current: < **0μA
Working Current: < **0mA
Working Voltage: 3.3V*5V (3 pcs AA battery)
 
Transmitter:
Working Current: < *0mA
Power Consumption: < *6DBM
Working Voltage: 5V**2V (1 pcs *2V*3A battery)
 
Products features
Wireless Doorbell
Customizable sound
Accept MicroTF cards until *4GB
Melodies in memory: *0
Max. Distance: **0 meters
Volume: *****0dB
Frequency: **3±2MHz
Valid for indoor and outdoor
4 volume levels