Infrared sensing design: Avoid installing the sensor in a place where the airflow is large, and the installation height is about two meters, which can fully utilize the function of the sensor.
Fashion design: incorporating stylish design elements, beautiful appearance, vivid your home environment, can also be a good gift.
Easy installation: DIY wireless design concept, eliminating the need for traditional doorbells to require wiring, boring installation and other cumbersome processes;
Ultra-long remote control?Emission distance: 100 meters (in an unobstructed, undisturbed environment), infrared sensing distance: 3-7 meters.
Battery: Host:Sensor operating voltage: DC 9V laminated battery . Receiver operating voltage: DC 3V two AA batteries. note that this product does not include battery.