Pre-wired design: beautiful solder, easy to install, save time to connect wire to switches. Wire Length: 10cm LED Toggle Switch Rating: DC 12V 20A Printed Design: Fluorescent lamps turn on when the switch is on. You can also easily tell when the switch is on or off. Widely Used: For use in a variety of applications including: electrical products, instruments, testing machines, cars, boats, household appliances. Package Contents: 10x 3 Pin 2 Position ON/OFF Round Toggle Switch for Boat.30x 16 AWG Wires Problems encountered: Q: How do I know the size of the hole A: There are some pictures on the item. You can also send me an email! Q: Can we use equipment with voltages below 12V A: Yes, only LED lights will not turn on. Q: Is the voltage of 12V-24V a normal operating voltage A: Yes, the project is operating normally under a voltage of 12V-24V and the indicator light is on. Q: Can I use devices with voltages higher than 24V A: No, absolutely not. Q: Can I use it frequently on the testing machine A: Yes, it can be moved 20,000 times. Main Technical Features: x Polarity: SPST x Light Source: LED x Switch Operation: ON-OFF x Rated Voltage: 12V/DC. 20A x Applicable for Car, Motorcycle, Boat, Water Dispenser, etc. Package Includes: 10x Round Toggle Switch