WiFi Photoelectric Hardwired Smoke Alarm

Product Model: TSS893A/B-HW

Product parameter

Power supply: AC 220V-240V 50Hz, with DC 9V alkaline battery backup Conform to EN14604:2005/AC:2008 
Alarm volume: ≥85dB at 3m Big test button for easy weekly testing
Silence function: Approx.8 mins Low battery signal alarm
Product life time > 10 years Wired interconnection up to 40pcs
App: Tuya, android and IOS Push base for easy installation