Raoes IR Wireless Door Bell Welcome Alarm Chime Motion Sensor Detector Entry Doorbell (1 Transmitter + 2 Receiver)

الوصف

Description: Wireless door chime is great for retail store, shops, business, salons, front / back / side door, etc. Attach this infrared alarm anywhere you want and instantly know when someone crosses the beam. Send audible chime sound, When the detector senses motion, the receiver will make an audible sound & the LED light will flash. Infrared sensor detects motion and sends a signal to the receiver. The chime is loud and clear, alerting you that somebody is approaching. Working Range: Up to 100 meters / 328 feet between receiver and transmitter . Transmitter Size (L x W x H): Approx. 3.5 x 2.4 x 1.8 inch. Receiver Size (L x W x H): Approx. 3.5 x 2.6 x 1.4 inch. Receiver Switch Setting: High / low volume, off. Note: 1. Avoid installing the sensor to the position facing to air conditioner outlet, exhaust fan vent, electrothermal furnace or heating installation nearby. 2. The sensor should be mounted in the height of about 2 meters. Place the sensor at the entrance side or top, and adjust it through the rotatable support, in order to reach the best effect. 3. Reduce obstacles and interference from other wireless signals between the sensor and the transmitter. Usually the distance should be about 10 meters when there is a wall between. 4. When the LED indicator does not go on, the battery power is either low or dead. At that time you should change the batteries. 5. In case of high temperature (above 30), the sensing distance of the detector may be shorten, this could be normal phenomenon. 6. Important: please keep the detector & receiver in sheltered places to avoid contact of both units from water and direct sunlight and metal. 7. Clean the detector regularly with a damp cloth to avoid blockage of sensor by dirt or any small particles.