Features Convenient and Safe: The remote control switch is designed with a self locking and firing delay, and operates at 12V with a maximum load of 7A, which means it will be easy and safe for you to use without worrying about safety. Small Size: The DC12V remote control switch is small and light, which means it's easy to store and carry, and can greatly enhance your efficiency. Wireless Control: This relay remote control switch is wirelessly controlled, with high sensitivity, long signal range, stable and reliable performance, which can greatly enhance your experience. Easy to Use: The wireless relay remote control light momentary switch is very easy to use and will become very simple and practical under your regular operation. Wide Range of Applications: This remote control switch has a wide range of applications, from simple home remote control to some regular autonomous control, as long as you have the right application, this switch is perfect for you. Specification: Item Type: Remote Control Switch Operating Voltage: DC12V Relay Load: 7A Operating Frequency: 433MHZ Learning Type: Can learn fixed code, learning code, remote control (2262 2264 2260 2240 1527) Battery: 2 x 3V CR2016 button cell (shipped without battery) Package List: 1 x Remote Control 1 x Relay Note: Pay attention to safety protection when using Package List 1 x Remote Control 1 x Relay