Description:Rechargeable battery: This wrist lamp is convenient to recharge, which can be charged by rechargeable battery and USB cable. Watch: Wrist batteries have a watch function that helps you recognize the time and date. Matching Occasions: This LED watch wrist flashlight is suitable for various outdoor sports, such as mountaineering, camping, night driving, etc. Adjustable Strap: The portable flashlight is designed with a nylon wrist strap and an O-shaped strap, both of which are adjustable. Lighting Time: The lighting time of this flashlight is up to 3.5 hours, even if you are outdoors, it can provide long-lasting brightness. Specification: Lamp Beads: XPE. Lumens: 100-240LM. Irradiation distance: 50-100 meters. Material: ABS. Equipment: 4 gears. Continuous Lighting: 2-3.5 hours. Color: Black. Lamp Size: Approx. 6 x 5.5x 2cm/2.36 x 2.16 x 0.78inch. Band Size: Approx. 22 x 2.4cm/8.66 x 0.94inch. Note: There may be several color distortions due to different computer resolutions. There may be a slight error due to different manual measurements. Package Included:1 Piece Light Wristwatch1 Piece Wristband1 Piece USB Cable1 Piece English Manual