Motion Sensor 9 -12 Meters and Door/Window Sensors Every sensor is wireless and connected with wifi PIR 110 degree wide angle,approximate 7 Feet 120 Db sound alarm, 4xAA batteires vibration Sensor audible up to 300 feet/90M away no wiring needed (requires 2xCR2032 batteries Auto Dialer Long Distance Listen-in/arm/disarm Function Pre-Store 5 Groups of Alarm Phone Number