Built-in rechargeable battery with USB charging cable for easy charging. Portable work light features a magnetic base and hook design to keep your hands free. Material: ABS+PC Power supply: Built-in 18650 lithium battery or 3 AAA batteries (included) Battery capacity: 1500mAh Light color: White light and red light Number of LEDs: LED array Light modes: Three modes (High, Low, Red Strobe) Brightness: 250 lumens Item size (folding): 21.7 x 3.5 x 7.4 cm / 8.53 x 1.38 x 2.91 in (L x W x H) Item size (unfolded): 31 x 7.4 x 3.5 cm / 12.18 x 2.91 x 1.38 in (L x W x H) Three light modes allow you to switch based on the environment. Rotating light bar design rotates 180 degrees for flexible lighting in various situations. Suitable for a wide range of applications including indoor work, outdoor camping, riding, fishing, and auto repair. Magnetic hook base allows secure attachment to metal surfaces. Long runtime with built-in 18650 lithium battery or 3 AAA batteries (included), and USB charging interface for added convenience.