An LED light bar is provided, comprising an LED light bar body, a cover, and a light shut-off switch. The cover has a closing surface portion and a rear surface portion and is connected to the LED light bar body through hinges at the two side portions for closing and opening the first LED lights on the front portion, and the cover has at least two stable deploying positions including a closing position and an opening position. The light shut-off switch is provided on the first portion of the LED light bar body for turning off the first LED lights while the cover is in the closing position. The LED light bar may further comprise second LED lights disposed on the closing surface portion of the cover, and the light shut-off switch is further configured for turning off the second LED lights while the cover is in the closing position.