Digital Wireless Doorbell Welcome Body Door Bell with PIR Sensor Infrared Detector Induction Alarm Home Security 10PCS/LOT

Care & maintenance portion: 1, Important: please keep the detector & receiver in sheltered places to avoid contact of both units form water and direct sunlight. 2, When the LED indicator does not go on , the battery power is either low or dead. At that time you should change the batteries. 3, Clean the detective regularly with a damp cloth to avoid blockage of sensor by dirt or any small particles. 4, Try to keep it in areas where it will not get wet. In addition, during