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* Ceiling or wall mounting* Easy installation* 9V battery operated (included)* Detection of intense fires with fast response.* Flash alarm indicator (red)* Self-test function* Low battery signal* Safety-clip feature, not allow mounting of the heat alarm without battery installed* High stability and reliability* Relative Humidity : 10% ~ 95%* Operating Current : <30uA (standby) and 30mA (alarm working)* Horn level : 85dB within 1 meter* Operation :When the ambient* temperature rise 70or 50 or 60)within 5 seconds, the alarm will sound.* AK-228- Standard 70oC. (Can be adjusted for special location and customer request.)* Battery life : 1 year min* Interconnecting Gas detector (1)Circuit for normally closed rely contacts (2)Circuit for normally opened rely contacts (3)Operating Frequency: 433 MHZ/315MHZ (optional)
Do you want to know more about our products ? there are kinds of products in our factory.you can come into our website to have a look .if you have any questions,please contact us.THANK YOU ! Welcome to our country ! Welcome to our factory !Mary li