Motion Sensor Alarm, Long Range Wireless Driveway Alarm, Indoor Home Security System Electric Doorbells, 4 Motion Detector and 2 Alarm, 38 Chime Tunes, LED Indicator

Product Description

BESTOONE Motion Sensor Alarm Product introduction 1. The receiver working power 110-240V 2. the transmitter working power 4.5V (3 AAA batteries, not included) 3. the receiver buttons (1) music 38 ringtones (2) volume thigh, medium, low (3) mute 4. working distance up to 300 feet 5 .the transmitter sensing distance 0-20 feet Package includes 2 Receiver 4 detector 4 installation accessories 1 Instruction manual Precautions 1. the sensor should be installed as far as possible to avoid directly facing the larger airflow and near the location of the heat source. (such as cold air outlet, exhaust fan, electric stove or near the heating, etc.) Do not install the sensor directly in the sun and rain, and do not close to metal objects. 2. the sensor should be installed at a height of about 2 meters sensor lateral detection than a straight line (human body directly facing the sensor) detection sensitive, should generally be installed in the side or top of the entrance door, and through the installation, bracket to adjust the induction to a suitable location, in order to achieve better induction effect 3. between the sensor and the receiver should be as far as possible to reduce obstructions and other wireless signal interference, generally in the obstruction of a wall, the distance between the sensor and the receiver should be controlled at about 20 meters. 4. If the doorbell has a short receiving distance or malfunctions, please check the detector battery or replace it. 5. if the use of high ambient temperature (more than 30 degrees), the detector induction distance will be shortened, which is a normal phenomenon.