LM-101LB Wireless Online Smoke Alarm

Power source: DC9V(smoke detection)
DC4.5V(transmission/receiver: 3 pcs1.5V AA battery)
Quiescent current: DC9V≤12uA 
Alarm current: DC9V≤20uA
DC4.5V working current≤230uA
Alarm decibel≥85dB/3m 
Frequency: 433.92MHz 
Transmission/Receiver distance in open area≤60m 
Low battery signal 
Push to test 
Size: (diameter)125x48mm 
EN 14604:2005/AC:2008