Features： 1、Dimming Control: Allows for 3 gear control over the LED light, each gear respectively corresponds to maximum, 70% and 30% output. 2、Stepless Adjust: Moreover, the 5V controller board enables stepless adjustment as well, just long press the touch button to use. 3、Extensive Using: Can be used for electric heating clothing, desk lamp, desktop small fan, heating film, LED light strip, etc. 4、Including 10Pcs: There are 10pcs light control board in the set, and the large quantity will surely meet your various work needs. 5、Easy to Install: Designed to have a light weight and a compact size as well, the convenient installation can be quickly finished. Specification： Item Type: 5V Control Module Function: The control module can be used for electric heating clothing for the elderly, desk lamp control, desktop small fan control, heating film control, LED light strips, copy boards, night lights, etc., almost all places that require 5V control. Maximum Work Voltage: The input voltage of this board is 5V, and it cannot work higher than 5V. Package List： 10 x 5V Control Module