500Lumens & 3 Brightness Modes- 500Lm Running Light Can Illuminate A 20M Long Road, And The Lighting Direction Can Be Rotated 120 Degrees. The Red Light On The Back Can Remind The Vehicle Coming And Help The Driver To Identify The Rider, Avoid Accidents And Comprehensively Protect You. 3 Lighting Modes: High Brightness, Low Brightness And Strobe. You Can Change The Light Mode According To The Road Conditions. 2000Mah Battery &Amp; Usb Rechargeable- The Led Running Light Is Usb Rechargeable With Built-In 2000Mah Battery Which Can Be Charged By Charger, Mobile Power, Computer, Etc. After 3 Hours Fully Charged, The Traffic Light Can Be Used In High Beam (4 Hours) / Low Light (8 Hours) / Flash (15 Hours) Mode. Ipx6 Waterproof Safety Driving Light- This Chest Running Light With Ipx-65 Waterproof Function, You Don'T Have To Worry About Getting In Trouble When It'S Raining. Allowing You To Better Understand Road Conditions, Potholes And Other Hazards. Unlike A Light Attached To Your Head Where The Beam Follows Your Gaze, This Light Stays Focused On The Road, The Vertically Steerable Beam Makes It Easy To Handle Slopes And Hills. Comfortable And Adjustable Shoulder Strap- We Designed Our Chest Running Light For Your Convenience. The Straps Are Adjustable And Adapt Perfectly To All Morphologies, From The Child To The Adult Xxl, It Does Not Swing And Stays In Place, Which Makes It Perfect For Running, Hiking And Other Activities Intense Physical. Ensure Your Safety Without Limiting Your Performance. Suitable Holiday Gifts- The Versatile Led Chest Light Is Used For A Wide Range Of Activities, Jogging, Hiking, Dog Walking, Fishing, Hiking, Camping, Rock Climbing, Exploring Caves And Other Outdoor Adventures. It'S The Best Gift For Dads, Husbands And Friends Who Love Jogging, Fishing, Camping, Mountaineering And Adventure.