TH-S Headlamp Flashlight with Hand-Free Sensor Turning ON/Off USB Rechargeable 3 Modes for Fishing, Camping, Hiking, Biking, Running, Car Repairing, Outdoor and More Hand wave Sensor +SOS Red LightsUse waving senses to completely liberate your hands. No longer have to take off your gloves or put down your hands of the tools, only need a chic waved.The new exterior design also addresses the red and sensing problems, both of which are available Product Net Dimensions: 1.6 x 2.4x 1.4IN ;weight: 2.7OZ/Shipping Weight:3.9OZ/Switch: silicone waterproof switch Material:ABS Working Time:5 to 20 hours/Charge Time :2.5 hours /Light beads: CREE XPE 3W Built-in:Li-polymer Battery 3.7v/1200mAh(included)/with USB data cable(included)/Mini portable/Sensor control USB rechargeable Waterproof & Durable:Will Withstand Heavy Rain, Cold, Heat, Dropping on the Ground. It is Rated IPX5, Which Means it is Protected Against Splashing or Spraying Water From any Angle.