Features: Home Security System: This sensor alarm can keep you aware of intruders or visitors in your home. It extends your security system. It's suitable for home office shop warehouse shed etc. Motion Sensor: Built in PIR motion sensor that will activate the alarm if any movement is detected. Wireless infrared detector motion-activated. It is also suitable for use on caravans and motor homes. Use for: Warehouse doors; Inside display cabinets; Restricted area protection; (patio bedroom bathroom) window alert. Installation: It is simple to fit there are no wires to connect just put the required batteries in fix to a suitable surface and turn it on using one of the supplied remote control. Package: Include 2 direct infrared remote control (Up to 30m/ 100 feet) please use it directly facing to the sensor. Description: Material: Plastic Powered by 4 x 1.5v AA batteries or 6v DC power(Not Included) Remote control power supply: 3 x AG13 batteries(included) Detect angle: 110 degree includes: 1 x Alarm Sensor 2 x Remote Control 1 x Mountacket