Blackburn Grid 2'Fer Front Rear Light OLI10158 TPC The Pro's Closet Blackburn GRID 2'Fer Headlight Tail Light (Black) Performance Bicycle Grid 2`Fer Front And Rear Light Set Lights Grid USB 2'FER Front and Rear Light Set. 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. 2'FERS GOT YOUR 6'OR YOUR 12'. OUR 2'FERS GOT YOU COVERED, FRONT OR BACK. The Grid 2'fer is a set of high powered front and rear lights. 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. Grid 2'fer offers the right light, front or rear, with plenty of rechargeable power to keep you visible any time of day. Recharge Type USB C rechargeable Charges via any standard USB port (charging cable included) Brightness Up to 175 lumens front, 55 lumens rear Mounting Options Silicone strap wrap mount fits a wide variety of sizes to mount where needed Removable pack and belt attachment clip 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 (rear): 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.