One really smart, compact USB rechargeable light that acts as either a front or a rear … it's a 2'Fer.
COMPACT, LIGHT, AND BRIGHT.
The bright 60 lumen front and 20 lumen rear settings will let drivers know where you are.
Recharge Type Micro-USB rechargeable — Charges via any standard USB port (charging cable included)
Brightness 60 lumens front or 20 lumens rear
Battery Type Lithium Polymer
Recharge Time 3-hour recharge
Mounting Options Mount to handlebars, seatposts, clip to racks, clothing, backpacks
No tools required
Product Weight 18 grams
Run Time High mode: front 1.5 hours at 60 lumens, rear 1.5 hours at 20 lumens
Flash mode: front 5 hours at 60 lumens, rear 5 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.