Suitable for the professional or casual bicycle rider. WATERPROOF AND SHOCK RESISTANT:IPX4 Waterproof grade. EASY TO INSTALL AND REMOVE - Leave your screwdrivers in the toolbox, and detaches in under 2 seconds with NO tools required. Can be mounted almost anywhere. USB RECHARGEABLE AND SAVE YOUR MONEY – Never Waste Your Money on Batteries again! Save the Hassle to Replace Batteries Every Week! They charge from your computer or any device with a USB port. Takes 2-3 hours to fully charge and has a Runtime of 4-10 hours on the highest setting. SAFFETY WARNING TAIL LIGHT-As a bicycle safety warning light,20lumens output is enough,it is bright, compact, easy to carry, and most importantly, not expensive, very worth buying.

International Protection Rating: IPX4. Auto Part Position: Rear. Number of settings: 4. Water Resistance Level: Waterproof. Power Source: Battery Powered. Material: Aluminum. Brand: Outair. Color: White&Red&Blue. Date First Available: September 6, 2017. Best Sellers Rank: #62,224 in Sports & Outdoors. Customer Reviews: 4.2 out of 5 stars 2,176 ratings 4.2 out of 5 stars. : B075F3H2K3. Part Number: ?OUTAIR 5411. Manufacturer: ?OUTAIR. Material: ?Aluminum. Color: ?White&Red&Blue. Warranty Description: ?1 year. Brand Name: ?Outair. Package Weight: ?0.09 Kilograms. Item Package Dimensions L x W x H: ?3.25 x 2.5 x 2.3 inches.