SMAKN&reg; New DC-DC Power Supply LC Filter FPV LC Filter For RC Quadcopter Input: 3.3V -25V. Maximal current: 2A. PCB Size: 13.5 * 17.5mm. Weight:about 6g . Reduce battery, plugs and other ripple brought more clarity to make the video, such as your robot or unmanned aerial vehicles with 12V power supply to the motor colleague to the camera, this time LC filter can be limited to reduce video ripple filter interference.