New technology Solar powered wireless IR intruder detector alarm with garden LED light. It is used for private sector perimeter security, drive way incoming notice farm security, villa safety etc. Security service professional installed 20m detection distance wireless alarm transmitter. Have 4 beams, 8 beams and with function of self check and fault report, battery protected and temperature compensation. Perimeter Protection IR Detector beams to anti theft, anti illegal invasion, burglarproof.