Wireless Control: Effortlessly manage taillight functions from your bike's head, enhancing safety on the go. Multi-Functional: Enjoy taillight modes (flash/constant) and turn signals (left/right/danger) in one sleek design. Extended Longevity: USB rechargeable for prolonged use – 2-3 hours charge for enduring intermittent lighting. All-Weather Assurance: IPX4 water resistance guarantees rainproof performance for fearless outdoor biking. User-Centric: Prevent glare with adjustable angles (up to 45°) and match any visual need.