Small & Lightweight Skeleton Body USB Rechargeable Headlight Charging Indicator: Notifies you of charging status while charging. Battery Indicator: Press the switch once to turn it off, the indicator will light up and notify you of the remaining battery. Mode Memory Function: Remembers the mode that was lit before turned off and turns on in the same mode when you turn it on again. Sub-Red LED: Convenient when the main LED is too bright for light up your hands in dark places. Ultra Thin & Ultra Light USB Type-C Charging Colimeter Lens Movable head Head Push Switch Size (approximate): Main unit (W x D x H): 2.2 x 0.9 x 1.3 inches (56.6 x 22.7 x 34.3 mm); Product weight: Approx. 1.8 oz ( Set Contents/Accessories: Main unit, Headband, USB Type-C cable (11.8 inches (30 cm)), Dedicated rechargeable battery (built-in) Brightness: Max/350 Lumens, High/170 Lumens, Mid/70 Lumens, Eco/5 Lumens, Sub-Red/2 Lumens Practical lighting: Max/2 hours, High/3 hours, Mid/4 hours, Eco/40 hours, Flashing/3 hours, Sub-Red/20 hours Features: Drop resistant to 3.3 ft (1 m) falls, waterproof specifications (IPX5 compliant), maximum irradiation distance: approx. 39.5 ft (108 m) Color Black Runtime 2 hours Brand Name GENTOS Style Name 350 Lumens / Rechargeable STG-01R Item Weight 52 Grams Battery Type Lithium Manufacturer GENTOS(ジェントス) Model Number STG-01R Power Source Battery Powered Item Type Name Headlight Light Source Type LED Additional Features Lightweight, Rechargeable Included Components Headband, USB Type-C cable, dedicated rechargeable battery (built-in) Light Path Distance 108 Meters Number of Batteries 1 Lithium Polymer batteries required. (included) Batteries are Included Yes Water Resistance Level Waterproof Item Dimensions D x W x H 0.89 D x 2.23 W x 1.35 H Item Dimensions L x W x H 0.89 L x 2.23 W x 1.35 H