See data sheet here Available in various sizes, see here Unilite HL-1R LED USB Rechargeable Headlight Torch 125 Lumen The Unilite HL-1R is a compact LED head torch light, weighing just 28g. Manufactured from high grade toughened ABS, it is super robust with a high level waterproof IPX5 rating. A 125 lumen output combined with a red light flash function and micro USB rechargeable. Main Features: 125 Lumen / 2 Hours to 50 Hours Run Time / 45 Metre Beam Range / IPX5 Rating / USB Rechargeable / None Slip Headband 125 Lumen white CREE LED 2 x 3mm red LEDs for night vision USB rechargeable micro USB cable included Red to green charging indicator Easy push mirco switch 45 degree rotational head Strong ABS housing Fully adjustable none slip silcone headband IPX5 water resistant Battery: 3.7v 520mAh Li-Polymer Rechargeable Battery (Included) Dimensions: 47mm x 27mm x 37mm (4.7cm x 2.7cm x 3.7cm). Weight 28g
