To prevent fire and help peoples reducing wealth's loss and to far from danger.good quality,easy operate,simple installion. smoke alarm AK-218A3Description:* Power:110VAC/220VAC/230VAC( backup 9v battery),9v battery,12V-24VDC*  Operating Current: 10 uA (normal) and 20-50...

Suitable for most of home appliance control system,Easy to install with mounting hardware included,Ceiling or wall mounting * Suitable for most of home appliance control system (alarm system, building intercom etc.).* High stability and long life-span.* Ceiling amounting, beautiful...

Suitable for most of home appliance control system,Easy to install with mounting hardware included,Ceiling or wall mounting * Ceiling or wall mounting* Easy to install with mounting hardware included* 9 Volt battery operated (included)* Suitable for any room* Flash alarm indicator...

Suitable for most of home appliance control system,Easy to install with mounting hardware included,Ceiling or wall mounting * Ceiling or wall mounting* Easy to install with mounting hardware included* 9 Volt battery operated (included)* Suitable for any room* Flash alarm indicator...

Suitable for most of home appliance control system,Easy to install with mounting hardware included,Ceiling or wall mounting * Ceiling or wall mounting* Easy to install with mounting hardware included* 9 Volt battery operated (included)* Suitable for any room* Flash alarm indicator...

To prevent fire and help peoples reducing wealth's loss.have good quality,easy operate,simple installion,lovely design. smoke alarm AK-218A3Description:*  Power:110VAC/220VAC/230VAC( backup 9v battery),9v battery,12V-24VDC* Operating Current: 10 uA (normal) and 20-50 mA(alarm...

Circuit for normally closed/opened rely contacts ,smoke alarm is that to prevent fire,and it detect smoking.easy operate . smoke alarm is can be use circuit for normally closed/opened  rely contacts ,smoke alarm is that to prevent fire,and it detect smoking.easy operate...

Detect kinds of smoke,gas,natural gas.smoke alarm is that to prevent fire.protect your safe.easy operate.simple installion. Detect kinds of smoke,gas,natural gas.smoke alarm is that to prevent fire.protect your safe.easy operate.simple...

Circuit for normally closed/opened rely contacts ,smoke alarm is that to prevent fire,and it detect smoking.easy operate .  smoke alarm have own Circuit for normally closed/opened  rely contacts ,smoke alarm is that to prevent fire,and it detect smoking.easy operate...

Circuit for normally closed/opened rely contacts ,smoke alarm is that to prevent fire,and it detect smoking.easy operate .  smoke alarm have own Circuit for normally closed/opened  rely contacts ,smoke alarm is that to prevent fire,and it detect smoking.easy operate...