Blackburn: Join forces with our popular Dayblazer 550 combined with the Grid Rear, packing a punch with lumens, COB technology, multiple modes and extended battery life. Big light set. Small price. The Dayblazer 550's high-power BLITZ daytime running mode and side visibility grab the attention of cars or light your way through a dark section of the commute. The Grid Rear Light has a wide COB light array and long run time. Ready for those commuting in the city, riding the open roads, or heading to their local trail. The Dayblazer 550 and Grid Rear Light Set offer plenty of rechargeable power to keep you visible while out riding and are well-powered to be seen. Recharge Type - USB-C rechargeable charges via any standard USB port (charging cable included) Brightness - Up to 550 lumens front, 40 lumens rear Mounting Options Swivel mount - A rotating mount allows the light to be adjusted to center on the road! This versatile silicone mount fits handlebars from 22-35mm and can be used to strap to some helmets. (Dayblazer 550 Front Light) Silicone strap mount stretches to fit a wide variety of sizes. Integrated pack and belt attachment clip. Run Time Front Blitz mode: 1 hour at 550 lumens Front high mode: 1.5 hours at 275 lumens Front low mode: 5 hours at 75 lumens Front pulse mode: 5.5 hours at 100 lumens Front strobe mode: 12 hours at 65 lumens Rear solid mode: 1.5 hours at 40 lumens Rear pulse mode: 4 hours at 30 lumens (+2 hours auto-Eco) Rear strobe mode: 7.5 hours at 20 lumens (+2 hours auto-Eco) Rear eco mode: 20 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.