Product Details: – Bike Lights Front and Back Rechargeable Water Resistance IPX4 Features: – COMPACT DESIGN: Built in 650mAh rechargeable lithium battery for each light. Fully enclosed design to protect the cycling light set from rainy days Water resistant rated to IPX4. The light weight and sturdy shell guarantees stable performance. USB RECHARGEABLE: Save the time to replace batteries every week. NEVER waste money on batteries again. It comes with a CHARGING CABLE that charges from your computer, power bank or any device with a USB port. – EASY INSTALLATION: Easy to mount or remove using silicone straps. Fits around many size seat posts, handlebars, seat risers, backpacks, helmets and stretch to keep lights secure and firm. – FOUR LIGHT MODES: Both the white front light and red rear light support 4 light modes: Constant Full Brightness / Constant Half Brightness / Blasting Flash / Stroboscopic. Using one-touch switch you can easily switch between modes. – Advanced technology to get you seen even on the darkest of nights. Stay safe at night. These compact design super bright light will give you the protection you need. You can use these bike light sets for cycling, camping, hiking, or any other outdoor activities. – Superior penetration in bad weather. Light set comes in four light mode options-Constant Full Brightness / Constant Half Brightness / Blasting Flash / Stroboscopic, to make you visible even in poor weather conditions. One of the mode can also be used for emergency flashing. This is great when cycling at night or in the place where visibility and safety is a concern. – Completely secure. Will not fall off, even on the roughest terrain. Cycle with confidence These lights come with silicone mount straps that are designed with two openings that fit tightly to keep lights secure and firm. They are easy to install and no tools required. – Long lasting battery and easy to charge using micro USP cable. Gives you 4-5 hours of full power brightness between charges. No need to carry a back-up light. Specifications: – Material:Lithium,Silicone,Led – Item weight:0.04 Kilograms – Mounting type:Seat Mount Package Included: – 1 x Head light white light 1 x Tail light-red light, – 2 x USB cables – 4 x Silicone mounting Strap Notes: – The colors may be a little different for the different monitor display. – Please allow minor deviation due to manual measurement