The Best Smoke & Carbon Monoxide Alarms meet ETL UL217 and UL 2034 standard certification. Dual senses (10 Years) to detect two kinds of threatening. Combine two functions in one device to reduce the cost. There are three models for you to choose from. The Worry-free Smoke carbon monoxide alarm is powered by 10 years of battery life. Long-term safe protection for your family battery.
Wifi smoke and carbon monoxide detector are available as well to get the notification from Smart Mobile phone even detecting the smoke. So that you can get the fire alert even you are away from home. By installing a WIFI smoke and carbon monoxide detector, you can easily know the battery status from your Smart phone APP surface and be alerted when the battery is low.
AJ-933, AJ-938, AJ-939：stand-alone smoke and carbon monoxide alarms
10 years battery life powered, sound and flashing alarming, only the cover different for above models
AJ-933WB, AJ-938WB,AJ-939WB: wifi smoke and carbon monoxide detector
10 years battery life, sound and flashing alarming, APP notification, only the cover different for above models
*Power & alarm test button
*10 years battery
*Photoelectric sensor for slow smoldering fires
*Loud 85dB buzzer alarm signal
*Low battery warning
*Supplied with fixing kit
*Self-Diagnostics to ensure the alarm is functioning properly
*Smoke+carbon monoxide 2 in 1
*10 Year Product End-of-Service Life Warning
*Smart WIFI Smoke and carbon monoxide detector optional