RECHARGEABLE: The headlamp is built in a 1200mAh rechargeable battery. A full charge of the battery (4 hours) provides up to 30 hours of constant light use. The USB cable is included in the package. 8 2-COLOR LIGHTING MODES: White Light provides high (400lm), medium (150lm), low (40lm) and SOS strobe lights; Red light provides stay on and flash modes. MOTION SENSOR SWITCH: Rechargeable headlamp can be turned on / off by waving your hand in motion sensor mode. LIGHTWEIGHT AND COMFORTABLE: A weight of less than 2.5 oz, an adjustable ergonomic elastic headband and a 45 degree viewing angle that make the headlamp ideal for running, camping and hiking. SATISFACTION GUARANTEED: Full refund and return within 60 DAYS with NO QUESTIONS-ASKED and lifetime technical support for our flashlight. Reasons for choosing the headlamp Ultra Bright-400 Lumens USB rechargeable Hands-free motion sensor switch 8 lighting modes with red and white LEDs Flexible headband Waterproof IPX4 Lightweight Specifications Brightness: 400 lumens Distance: 150 m Waterproof: IPX4 Battery capacity: 1200mAh Product weight: 70g Material: ABS plastic Sensor distance: 10-20cm What's in the box 2 x Headlamp 2 x USB cable