1.Perfect Design: Designed to connect and disconnect a DC12V 20A electrical circuit at will, SPST: ON-OFF control; 2 pole design (On/Off), 3rd poles with LED to be connected to earth. Fluorescent lamps will be lighted up when the switch is turned on 2.Safety Protection: This truck rocker switch control uses copper-plated silver contacts, has good electrical conductivity, and uses high-quality materials and flame-retardant casing for high safety 3.Easy Installation: Round on-off switch is easy to install, which is just direct setup, and no additional work required, our switch comes with a keyhole slot to prevent unwanted rotation 4.Widely Used: This is a Round LED rocker switch, it can work in any cars and others with a 12 Volt DC source Made from sturdy material that ensures long lasting durability, facilitate easy installation Model: Ship type switch KCD1 Electrical life: 10,000 (times) Contact resistance: 50 (mΩ) Insulation resistance: 100 (MΩ) SPST :2 pole design (On/Off) 3rd poles with LED to be connected to earth SPST: ON-OFF Rating: 12V Illumination: DOT styled,12V LED Light Applicable for car, motorcycle, boat, water dispenser etc For electrical maintenance installation, it is important to ensure that operators hold electrical qualifications And take necessary power-off, insulation protection measures. Material:plastic Colour:black Package Contents: 30 x Rocker switch Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.