RF Controller DC 6V 12V 24V 30V 4CH Universal Remote 315Mhz/433Mhz Relay Receiver and Transmitter for LED Light Motor B36AFeatures: Easy operation.4 channels, small size, lightweight and portable.2 types, 315MHz/433MHz for you to choose, you can select according to your needs.The device has decent transmission distance and is quite flexible in functionality, signal stability.Widely application, can be used for garage door, electric door, house door, shutter door, expansion door, etc.Specifications: Material: ABSSize: Approx. 5.8x3 cm/2.28x1.18 inType: 315mhz/433mhzRF frequency:315MHz/433MHzPackage Includes: 1 Set Remote ControlNote: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.