1.[Brighter & More Powerful – 1800LM USB-C Rechargeable Front Light] Experience ultra-bright 1800 lumens with 4 adjustable modes: High (5h), Low (9h), Warning (20h), and Strobe (5h). The 5200mAh battery charges via USB-C and doubles as a power bank, keeping your devices powered on long rides. 2.[Smart 7-Mode Brake-Sensing Tail Light for Maximum Safety] The 100LM rear light features auto brake detection, flashing, and steady modes, ensuring superior visibility day & night. Perfect for road cycling, commuting, and mountain biking. 3.[Quick & Tool-Free Installation – Universal Fit for All Bikes] Easily mount or remove the front and rear lights in seconds—no tools required! Compatible with road bikes, mountain bikes, and e-bikes, making it a perfect commuter essential. 4.[IP65 & – Built for All Weather Conditions] Ride with confidence in rain, mud, and extreme conditions. The IP65-rated waterproof & dustproof bike light set ensures consistent performance in any weather.