Glovion USB Rechargeable LED Hardhat Light, Lightweight Helmet Light, Compatible with Industrial or Construction Hard Hat/Helmet for Safety Purpose Lightweight LED Hard Hat Light: Lightweight , only approx 0.1Lbs, comfortable to wear, pasted around the hard hat, dont worry about adding weight to your head. Size : approx 1 x 26 (Width/ Length). Remember to measure your hardhat circumference firstly, Glovion's hardhat light are only suitable for the hard hat within circumference of 26"inch USB Rechargeable Helmet Band Light: Built in rechargeable battery, eco-friendly and recycle using, convenient to charge, can be recharged by 5V universal Outputs.USB Charging cable included. 360 Degrees of High Visibility LED Safety Light: Make your own normal working Hard Hat to be seen in the dark when you are wearing this hard hat accessories. Suitable for Construction Man or any worker who need to wear the helmet working at night for Safety Purpose. Easy to Install and Use: Magic Paste tape(included) to any industrial or construction working hard hat or helmet that you have. Three Lighting Settings: Constant On/Quick Flash/Slow/Flash ,just one click to choose it for different applications. BUYING with CONFIDENCE: 100% Customer Satisfaction & Money -back are guaranteed, For whatever reason, you are not 100% satisfied just contact us firstly, we promised to work with you until you are 100% satisfied . Lifetime Support and Warranty, Buy with confidence !