10YR Lithium Battery Wireless Interlink Photoelectric Smoke Alarm

Brand: Hound
3yr Warranty.
Built-in 10-year lithium battery operated
Photoelectric chamber for early detection from all directions
Loud>85dB(A)alarm signal @3M
Flash alarm indicator (red LED)
Test button for easy testing
HUSH function
Low battery and fault alarm
Ceiling or wall mounting
Easy to install with mounting bracket
RadioLink function
Wireless interconnection up to 40 units
Product size :Φ117*33MM
10 years lifetime
Approved to AS3786:2014 + A1:2015 + A2:2018