The Grid 2&';Fer is the combo you need for all riding styles. This light works hard, pulling double duty as either a front light with 175 lumens or a rear light with 55 lumens, supported by COB technology and four modes. Side visibility ring glows amber in front mode and red in rear mode THE 2&';FER&';S GOT YOUR SIX (OR YOUR TWELVE) The Grid 2&';fer is a high-powered front and rear light. A quick double-click of the power button switches it from white to red. With four mode options, you can choose if you need high lumen power or extended run time. Ready for those commuting in the city, riding the open roads, or heading to their local trail. SPECS:- Recharge Type USB-C rechargeable - Charges via any standard USB port (charging cable included) Brightness Up to 175 lumens front, 55 lumens rear Country of Origin China Mounting Options Silicone strap mount stretches to fit a wide variety of sizes. Removable pack- and belt-attachment clip Product Weight 47g Run Time Front solid mode:- 2 hours at 175 lumens Front pulse mode:- 6 hours at 100 lumens (+2 hours auto-Eco) Front strobe mode:- 7 hours at 40 lumens (+2 hours auto-Eco) Front Eco mode:- 25 hours at 40 lumens Rear solid mode:- 1.75 hours at 55 lumens Rear pulse mode:- 6 hours at 35 lumens (+2 hours auto-Eco) Rear strobe mode:- 6.5 hours at 20 lumens (+2 hours auto-Eco) Rear eco mode:- 22 hours at 20 lumens Water Resistance IP-65 Ingress protection rating or "IP Rating," is a techy way to describe the level of water and dust-proofness of a product. This light meets the IP-65 Standard, which means it is totally protected against dust/grit and protected against low-pressure water jets coming from any direction.