Feature:  Wale Tuya WiFi Wireless Smart Home Security Alarm System:  Five zone types to choose: Normal / stay / smart / emergency / close zone , support up to 24 wireless defenses zones for remote control or wireless detenctors.  Timing arm / disarm: Can store three groups of time arm and disarm function , each group can be customized by week , avoid manual frequent arm and disarm, to realize intelligent automatic control.  Voice control: Compatible with amazon alexa echo and google assitant for voice control , just need your voice to arm / disarm , free your hands , very convenient.    Protect your home safety.  Specificatin:  Input Voltage: DC5V;  WIFI: 2.4G;  Backup Rechargeable Battery : Lithium Battery DC3.7V;  Alarm Loudness: 100dB ( Internal siren );  Panel size : 91*91*25 mm;  Package content:   Alarm Panel x 1;  Motion sensor x 1;  Window sensor x 1;  Remote control x 1;  Manual x 1