KD-101LA Wireless Online Smoke Alarm

Power source: 2pcs AA battery 
Quiescent current: ≤20uA 
Alarm current: ≤120mA 
Alarm decibel: 85dB/3m 
Frequency: 433.92 MHz 
Transmission/Receiver distance about 60m(open field)
Low battery signal 
Push to test
Hush feature 
Size: (diameter) 112x34mm 
EN 14604:2005/AC:2008