Tuya Smart WiFi Outdoor Strobe Siren Alarm System Support Alexa/Google Home
◆ APP: Smart Life, Tuya Smart
◆ Input Voltage:DC5V/1A
◆ Support 24 wireless zones
◆ 5 zone types: normal/stay/smart/Emergency/Close Zone;
◆ Built-in 3.7V lithium recharagable battery
◆ Can re-name zone names;
◆ Alarm loudness: 110-120dB;
◆ Add sensors & remotes from the app directly(In total 24PCS);
◆ With anti-tamper switch; 
◆ Low-battery detection/Power off detection
◆ Wireless learning coding,compatiable with 2262 or 1527 chip sensors;