Specification: switch panel is 5.5 inch, 5.0" (L) * 2.8" (W) * 0.5" (H); control box is 7.5" (L) * 5.2" (W) * 1.3" (H); The wire connecting switch panel and control box is about 137" long; Waterproof rate of the control box is IP65, able to withstand water drops or dust; switch panel is not waterproof
Power from Car Battery or ACC: The control box can be wired with battery and ACC at the same time and there is a slide switch in the control box to choose one of them; No need to rewire again; You can still turn on this switch panel and your devices when the engine is off