Universal one-way access control power lamp horn modification switch Operating voltage: DC12-48V Control distance: 50 meters Charging power: 0.37 KW Control type: single channel control Start a new intelligent life Powerful, convenient and fast, easy to install < p>scope Electric doors and windows, lifting appliances, elevators and security industries, etc. It adopts high efficiency switching power supply scheme, green and low power consumption, no static heat and good stability. It also adopts advanced superheterodyne receiving technology and cooperates with intelligent MCU, which has many advantages such as good stability, strong anti-interference ability and numerous functions. At the same time, high-quality SPE high-power relay is selected to improve the load capacity and last for a long time. Dimensions: 10.5 x 5.1 cm. Quantity shipped: 1 Warm reminder: Due to monitor and lighting problems, the color of the product may be different from the pictures. Due to manual measurement, the product may have an error of 1-2cm, which is a normal phenomenon, please understand!