Nilight Heavy Duty Toggle Switch - SPST On/Off Type Connector type: SPST, 2 terminal pin on/off. Power: 15A 250VAC/20A 125VAC ,1/2" mounting hole. Material: plastic and metal. Solid connection switch with waterproof rubber cap, more convenient to operate. Delicate appearance with strong Construction. Look chic and high-end on your equipment Mechanical life: more than 50.000 cycles. Electrical life: more than 10, 000 cycles Easy to install: Mounting hole diameter: O12mm. Each of the terminals has a machine screw for quick connections, but also easy to be soldered