Motion Sensor Wireless Entry Alarm with Door Bell Chime

ENTRY DOOR BELL CHIME MOTION SENSOR WIRELESS ALARM * Keeps you aware of intruders or visitors anywhere around your home * Door chime trigger by motion * Suitable for Home, Office, Unit, shop,warehouse,shed,Garage etc * Don't miss a visitor / customer / friend / client * Extend your home security system * Wireless; Effective alarming distance is up to 50FT * No Wiring is required, PLUG-AND-PLAY * Avoid the line laying trouble and expenditure * This system uses 3 x 1.5v AA batteries (not included). * Three settings: Musice(5 different tone)/Off/Voice * Dimensions: 100 x 65 x 38 mm (About 4 x 2.56 x 1.5 inch)