1.loud 85dB alarm sound 2.9V battery included 3.temperature trigger:55+-5 4.test button

heat sensor fire alarm GS402

Ceiling or wall mountingGives loud 85dB alarm sound.Humidity:10%~85% Potential early fire detect and auto alarm;Temperature trigger: 55±5°C;Operation ambient: 0~60°C9V battery included Product size: 107X107X37.5mm   Box Size:125mm x 110mm x 55mmWeight:0.22kgCarton size: 57.5cmx27cmx30cm   50pcs/ctnGW/NW: 11kgs/12kgs

heat sensor fire alarm GS402