Replaceable silicone straps for tool less attachment. Recharged via standard usb means no requirement for single use batteries, recharged from flat in 3.5 hours.Features:Weight: 17g100% waterproof: rating of ip67Front: 70 lumens / rear: 30 lumens4 animated light designs to pick from including: cross, love, skull & square.Shaped to fit both standard and aero post8 lighting modes
