General description Pack LED Headlamps are versatile and powerful flashlights designed for various lighting needs. Featuring a built-in rechargeable battery and multiple lighting modes, these headlamps are perfect for outdoor activities, DIY projects, and emergency situations. Technical specifications LED Bulbs: 3W 200lm LED Battery Type: 1200mAh polymer lithium battery Working Voltage: 3.0V-4.5V Waterproof Rating: IPX6 (Do not immerse in water) Body Material: Silicone Charging Time: 3-5 hours Product Size: About 72 cm in circumference after lengthening, about 53 cm in circumference after contraction Dimensions: 38 x 31 x 23 cm Box Dimensions: 10 x 5.5 x 3.5 cm Lighting Modes: Strong light (350 lumens, 2.5-3 hours), Medium light (130 lumens, 3.5-4 hours), Third gear (120 lumens, 4-4.5 hours), XPE low light (50 lumens, 6-6.5 hours) Compatibility and accessories Included Accessories: Lamp, silicone strap, charging cable, white box