Specification: Item Type: LED Dimmer Controller Material: Iron Color: BlackRF String Light Dimmer Size: Approx. 8.5x6.3x2cm/3.3x2.5x0.8inRemote Controller Length: Approx. 6cm/2.4inBattery: Remote control-button battery 2 CR2016 3V(Included) Working Temperature: -20-70℃ Power Supply Voltage: DC 12-24V Maximum Load Current: 30A Remote Control Distance: Approx. 30m/98.4ft Function: Can realize stepless dimming Wireless Remote Switch: 1. Up button-increase brightness 2. Down button-decrease brightness 3. On/Off buttonWeight: Approx. 144g/0.3lbs Package List:1 x LED Dimmer Controller 1 x Manual1 x Remote Control Note:1. Please allow 0‑2 cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Control Mode: The RF dimmer is a controller that can adjust the brightness stepless. Its control method is button control, and the brightness of the light can be adjusted according to actual needs Protect Design: The PWM digital dimmer avoids rush current and can effectively protect your LED lights. Suitable for: Suitable for MR16 LED spotlights, LED recessed lights, LED strip lights, etc. Such as 50503528 lamps, household lamps, etc. Profession: Professional manufacturing, mainly used to adjust the brightness of monochromatic LED lights Control Distance: It can easily realize remote control, and the remote control distance can reach 30m/98.4ft, which is very convenient and practical.