Didn't find what you're looking for?
Post your buying leads to let suppliers contact you directly or
contact our customer service specialist
for help!
Working Frequency: 433MHz/315MHz
Doorbell Emission: 12V/DC
Smoke Alarm Emission: 9V/DC
Receiving : 4.5V/DC
Distance: >30m(open position)
Alarm Sound: =65db
Working Temperature: -10~+40℃





Description