Mobile App GSM WiFi Zigbee Smart Home Wireless Anti-theft Alarm System Mobile Remote Voice Control Support Alexa Goolge AssitantThe GSM WiFi Zigbee Smart Home Security Alarm Kit System is based on the intelligent security host, which is paired with PIR detector, door magnetic sensor, and wireless remote controller to build an intelligent security system. It not only can reach anti-theft alarming, but also be linked with smart sockets and devices to get to smart life.Features: Connect to WiFi, App control Wireless two-way communication, no need wiring 50pcs detectors can be added, each detector can be programmed Low power-consumption design Accessories low power notification Volume adjustable Silent mode can be set Defense zones support Disarm, Arm, Home Arm, 24H Arm, Delay Arm, etc for option Built-in GSM module, can still alarm normally even power off in GSM mode Built-in back-up battery, have notification when power off or incoming callSpecifications: Input voltage: DC5V / 2A W-Fi standard: IEEE 802.11 b/g/n Radio Frequency: WiFi (Both transmitting and Receiving) Wireless Distance: ≤150m (In open air) Working Temperature: -10℃- +50℃ Humidity: ≤90%RHPackage: 1X Smart Alarm Panel 1x Zigbee Door Magnetic sensor 1x Zigbee Remote Controller 1x Zigbee PIR Motion Sensor 1x Zigbee Wireless Siren