Red Light Waterproof USB Rechargeable Bike Light

Red Light Waterproof USB Rechargeable Bike Light for cycling & running, with 15 lm, USB-C charging, Multi-Function Bike Lights. BulbsEquipped with two independent switches, separately controlling the middle 4 SMD bulbs and the surrounding 16 SMD bulbs. They can be activated individually or in combination, offering maximum lighting flexibility. Each zone supports 6 modes (100% / 50% / 30% brightness, fast flash, slow flash, strobe), totaling 48 combined modes (single / double zone) for diverse road conditions. Built with a 350 mAh polymer battery, it delivers 4–15 h of runtime, fitting short commutes and long rides. Crafted with an ABS shell, it is shockproof and scratch-resistant. With a lightweight design of only 37g, it imposes no burden on riding after installation. Boasting an IP44 waterproof rating, it can resist light rain and splashes, suitable for complex outdoor weather. Equipped with Type-C fast charging, it fully charges in 2.5 h, enabling convenient charging without additional adapters.