Lil' Cobber Twinpack Front and Rear lights produce an incredible 330º of light, so you'll be clearly seen from all angles. In an increasingly busy world, these bike lights are brilliantly effective at attracting attention and helping keep you safe on the road. Packing 110 lumens for the front and 50 lumens for the rear, the Lil' Cobber is seriously bright. The Cobber has integrated USB recharging, is 100% waterproof and you can programme the settings using Modemaker. If you are looking for the best front and rear commuter bike light of 2019 look no further. Dimensions H:32mm x W:33mm Weight 22 grams eachThe large strap provided will fit tubes and head tube profiles of a maximum circumference/perimeter of 200mm LIGHT MODES: Max, Mid, Steady Pulse, Flash, Flash, Side Flash, Disco Flash, Eco Flash come pre-programmed. LEDs: Efficient Chip on Board (COB) LEDs designed to provide maximum brightness for up to 90% of battery burn time for each mode. INTEGRATED USB PLUG: No charging cable required, plugs directly into USB ports and is designed to be exposed to the elements100% WATERPROOF: The Cobber is 100% waterproof against all elementsCHARGE TIME: 4 hours (LED will turn off when fully charged)BATTERY: USB Rechargeable Lithium PolymerBIKE ATTACHMENT: Tool-less removable silicone straps for bars / seat posts 22 - 32mm + diameter with magnetic mount. Aero Mount also included. ACCESSORIES INCLUDED: Standard Mount, Aero Mount, 3x interchangeable straps for bars / seat posts 22-27mm / 28-32mm +, and USB extension. Rear Cobber Runtime Modes Lumens Runtime (hrs) Max301.4Mid103.5Steady Pulse453Flash507Eco Flash1040