Switch Lighting : Ring Style,Color : Red, Switching : S.P. Push to make, tactile S.P. (momentary switch), Max Rating: 12 Volt DC (50mA, up to 24V DC),Sealing : Protection Classification IP66 EN60529, Switch assembly: V-0 rated Polyamide (Nylon), Tags: Copper Alloy, Terminals: Copper Alloy, Switch Body & Button: Marine Grade Stainless Steel, Lens and Lens Body: Polycarbonate, O rings: Nitrile and Silicone, Contact Plate: Gold Plated, Dimensions Outer Ring - 22mm Requires a 19mm holes (0.75 inches) LEDs (ratings @ 20mA) 3.4 ~ 12V - Use with mother board power LED header is not a problem.Please double check your voltage connections to the LED. Do not exceed the rated voltages as specified above. We will not accept any returns with burnt out LEDs.