Vender Bell Alarm Guest Security Welcome Detector Infrared Door PIR Sensor Wireless Doorbell Motion al mejor precio

Features: Two Mode: Alarm mode and Chime mode. At Alarm mode, the doorbell will alarm when thief sneaks into the house. At Chime mode, when the guest comes into the detecting area, it will sound "Hello, Welcome". Infrared remote sensor detection has high sensitivity and is not affected by light conditions. It can work day and night, unlike others that are light-controlled, and cannot work in a dark environment. Using chip integrated circuits, micro-power consumption. Elegant design, fashionable, easy to use, sound loud. Easy to install: no wire needed, eliminating the trouble of line laying, no affect on decoration and appearance. The detector lens should face such place that is easy for thieves to enter into as the balcony, window, and the stairway. The height of the detector should be in the proper range and the angle of detector should be adjusted, so that the doorbell will alarm when the thief sneaks into your house. And it should be hidden on 2.5 ~ 3 meters high. Specifications: Detection distance: 0-10 meters Detecting angle: three-dimensional sector with angle of 100 degrees Alarm loudness: 100-110 dB  Alarm delay: 15-20 seconds Operating voltage: DC 4.5V Battery: 3 * AA battery (NOT included) Quiescent current: less than 0.5mA. Dynamic current: 180mA. Color: White Material: Plastic Size: 9 * 8 * 4cm / 3.5 * 3.1 * 1.6inch Package weight: 122g Instructions: Alarm Mode: Switch to the "Alarm". If a person enters into the detection area, the doorbell will sound alarm. And the alarm sound will not stop until the person left the detection area for 15-20s. Chime Mode: Switch to the "Chime". If a person enters into the detection area, the doorbell will sound euphonious "Hello, Welcome". Package List: 1 x Wireless Motion Sensor Alarm #doobell #wirelessdoorbell #motionsensoralarm #wirelessmotionsensoralarm #motiondetector #homesecurityalarm #motionsensoralarmremote