Mushroom Push Button Switch 22mm Waterproof SPST Momentary Start On Off 7/8 Item dimensions L x W x H: 1.34 x 1.31 x 1.34 inches Package Contents: 2 x Metal Mushroom Head Push Button Switches Understanding the Momentary Switch: Press and hold to activate; release to deactivate. About the Screw Terminal: Features a screw-type terminal for easy, solder-free installation and simple connection. Application: Suitable for all 12V systems in vehicles such as cars, SUVs, trucks, conversion vans, RVs, boats, and yachts. Ideal for use as an electric starter relay switch, horn button, PC power switch, or for general circuit control. Important Note: To ensure proper operation, do not exceed a current of 3 Amps in your circuit. Exceeding this limit may cause the switch to overheat and fail. Available Colors: Red and green. Specifications: - Protection Rating: IP65 - Total Length: 1.15 inches (29.3 mm) - Head Diameter: 0.97 inches (24.8 mm) - Mounting Hole Size: 0.63 inches (16 mm) - Depth Behind Panel: 0.76 inches (19.3 mm) - Switch Configuration: 1 Normally Open (1NO) - Operation Type: Momentary - Switch Rating: 2A at 250V AC, 2A at 30V DC - Head Shape: Domed Round - Head Material: Aluminum Alloy - Shell Material: Copper with Chromium Plating - Protection Level: IP65