Features:               Stepless dimming ("+", "-"),long press the "+", "-" on the back to adjust the brighness.               Brilliant white LEDs for output up to400 lumen.               Head light & cob light, totally 2 working mode.               Adjustable head can be angled to 270°.               Includes flashlight option.               Charges from any powered USB port.               Input and Output ports,can use as power bank outdoor.               With magnetic base, can be hung or adsorbed on metal surfaces.               Power display show at the back, 1 lamp represents 20% of the electicity.               Battery can be replaceable.                              Specification:               Battery: 2 x built-in 2000mAh 18650 battery               Type of bulb: 2 x 3W LED + 5W COB                Material: ABS + Plastic + TPR + Aluminum               Dimensions: 15x4.8x3.9cm/5.91x1.89x1.54inch               Product color: Balck & red               Light color: White               Quantity: 1 Set               Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.                2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you                               Package includes:               1 x Working Light               1 x USB Cable               1 x Battery               1 x User Manual