1、VOLTAGE INFORMATION: The round rocker switch come with 3 pins for 12VDC voltage, provide stable control and reliable performance, you can use with confidence 2、RED LIGHT: The round toggle switch has a red indicator light for easy use at night, easy for you to observe the on off situation, provide great convenience 3、DUST COVER: 3 pin ON Off switch design is round, possess stylish appearance. With switch cover, prevent dust from entering and affecting the use 4、APPLICABLE SCENARIO: Round rocker switch is easy to install, the opening size is 20MM, suitable for all kinds of vehicles and equipment, such as car, auto, boat, trucks 5、STRONG MATERIAL: Round toggle switch is made of excellent plastic and metal materials, lightweight and portable, strong and long lasting, and has a long service life Item Type: Round Rocker Switch Model: S516R Material: Plastic, metal Use: Universal for 12V vehicles and boats Opening Size: Approx. 20mm / 0.79in 10 x Round Rocker Switch