1、High sensitive LED light switch with blue indicator light. 2、Universal, fit for any 7\" 10\" 12\" 20\" 30\" 40\" light bars that is within 180w. 3、40A power relay \u0026 30A blade fuse for multiple safety conservation. With 2 lights output connections, which can hook with 2 led work light or 2 small watt led light bar and any else off road LEDs. 4、With wiring harness, easy to install. 5、A perfect accessory for off road vehicles, working vehicles, and any automobile that could use a relay to power specific equipment. 6、Universal, fit for any 7 inch 10 inch 12 inch 20 inch 30 inch 40 inch light bars that is within 180w. Features: High sensitive LED light switch with blue indicator light. Universal, fit for any inch, 10inch,12inch, 2inch, 30inch,40inch,light bars that is within 180w. 40A power relay & 30A blade fuse for multiple safety conservation. With 2 lights output connections, which can hook with 2 led work light or 2 small watt led light bar and any else off road LEDs. With wiring harness, easy to install. A perfect accessory for off road vehicles, working vehicles, and any automobile that could use a relay to power specific equipment. Specifications: Main material: ABS Color: Black Light Color: Blue Pin: 5 Connection terminal quantity: 5 Main cable length: about 2m Operating Voltage: 20A/12V -- 10A/24V DC Relay: 12V 40A Fuse: 30A Package size: 23 * 9.5 * 7cm / 9.1 * 3.7 * 2.8in Package weight: 368g / 13oz Package List: 1 * LED Rocker Switch 1 * Wiring Harness Installation tips: 1. Connect the red+ wire from the fuse to battery +; connect the black wire from the relay to the battery -; 2. Connect the white+;black- wire from the relay to light bar(red/black correspond to the wire of lights bar) ; 3. Connect the red+/black- wire of the switch to battery or any place of your car system to get power for the switch; 4. Turn on on/off button of switch to test the lights bar. Tips:1)If let the harness short circuit the wire would melt,pls let professinal installer to wire it;2)If you wire the harness to a battery directly,the rocker switch will glowing even when the vehicle is off;if you don't want the switch always glowing after you turned off engine,you can hook the harness to a source on your fuse panel. 1 * LED Rocker Switch 1 * Wiring Harness Installation tips: 1. Connect the red+ wire from the fuse to battery +; connect the black wire from the relay to the battery -; 2. Connect the white+;black- wire from the relay to light bar(red/black correspond to the wire of lights bar) ; 3. Connect the red+/black- wire of the switch to battery or any place of your car system to get power for the switch; 4. Turn on on/off button of switch to test the lights bar. Tips:1)If let the harness short circuit the wire would melt,pls let professinal installer to wire it;2)If you wire the harness to a battery directly,the rocker switch will glowing even when the vehicle is off;if you don't want the switch always glowing after you turned off engine,you can hook the harness to a source on your fuse panel.