Description: Two Switch Modes: Continuously press the switch to complete the main light switching (strong, medium, flashing), side lights (white light, red, white and blue flashing); long press the switch to activate the sensing mode, wave your palm in the sensing area You can control the switch.USB Rechargeable Headlamp: USB Rechargeable LED Headlamp, high capacity, power display. USB input and output dual interface, can be used as a backup power supply.Material & Features: The headlamp is made of high quality material, it is light and comfortable to wear, durable and waterproof. Rotary focusing and the illumination angle can be adjusted up and down, right and left by 90, adjust lighting angle according to the demand.Three Lighting Modes: The Headlight has 3 light modes of brightness, strong light/medium light/burst flash light mode, the astigmatic illumination range is wide, and concentrated illumination is further away, perfectly for multiple use scenarios, making your travel convenient.Wide Application: Headlight is suitable for many scenarios, such as outdoor hiking, camping, jogging, riding, searching, caving, daily use, etc. Specification: Working Time: 4-25hSensing distance: 10cm-15cmSize:4.5cmx9.2cm/1.77inchx3.62inch(not include headband) Package Includes: 1Led Rechargeable Headlamp Note: Please allow slightly errors due to manual measurement and different monitors.