Features:The portable outdoor indnctive light is all-perspectively designed, the USB port charging adds a stronger power on it. Special double-switch design to ensure you a convert modes convert. Hight-capacity rechargeable battery offers a long lasting powering for safer outdoor sports. The wristlamp is mainly used for fishing, hunting, night running, hiking and camping. 1.The Finger Induction wristlight, When your hand is near to the wristlight within 15 cm, the headlight will turn on, when you finger left the wristlight , it will be turn off. 2.The wristlight contain the battery. You Can use the USB charge cable charging for the wristlight. 3.It has two switch, Press Switch and Inductive Switch. 4. 3-Modes for Press Switch:High/Low/Flashing( Press and hold for 2 seconds to enter the flashing) 1-Modes for Inductive Switch: High Light 5. Wrist strap Size:Length: 25cm; Width: 2cmAdjustable length 14cm-21cm Specification: Can be used as wristlight With adjustable wristband, you can use more comfortable Easy and convenient to apply and remove It just can use for rain days, but can"'"t use diving. Power supply: Included the battery Weight: 50g Package Included: 1*wristlamp