Features: Brand new and high quality This universal switches is suitable for 12V-48V power supply, making it suitable for a wide ranges of applications. With its user friendly design and four adjustable working modes, this single channel controller offer flexibility and convenience. Perfect for controlling lights, motor, and security devices. Experience the convenience and versatility of wireless control with this durable and efficient switches. Usage: 1.To learn code, first press and hold the learning keys, and the indicator light will go out, indicating that you are in the learning state; Release the learning keys, and press and hold the remote control key that needs to be learned; The indicator light flashes five times and then stay on for a long time, indicating that the learning is successful. 2. When code is cleared, press and hold the learning keys continuously, and the indicator stay on for long time, indicating that code is cleared successfully. Specifications: Material:ABS Working frequency: 433MHz/315mhz Type:1 Button/2 Button Working voltage: DC12-48V Working temperature: -20-60 Load: 30A/2000W Signal sensitivity: -110dbm Modulation mode: ASK Size:Approx.7.5x5.4cm/2.95x2.13inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set Wireless Remote Control