Feature:1. High-Lumen Output: Boasting 400 lumens of brightness these bicycle lights cut through the darkness for enhanced visibility and safety during night rides.2. Rechargeable Battery: Equipped with a 2000mAh battery these lights offer long-lasting illumination reducing the need for frequent charging.3. Waterproof Design: Designed to withstand the elements these lights are perfect for all weather conditions ensuring reliable performance even in the rain.4. Rotating Mount: The included rotating mount allows for easy angle adjustment ensuring the light is always directed where you need it most.5. Durable Construction: Made from high-quality aluminum alloy and carbon fiber these lights are built to last withstanding the rigors of daily use.Specification:Material: Aluminum Alloy / Carbon Fiber / PlasticSet 1: 160240000C00:Material: Aluminum Alloy, BlackSize: Headlight: 10.3 x 4.1 x 2.3cm / 4.1 x 1.6 x 0.9in, Mount: 18 x 10.1 x 4cm / 7.1 x 4 x 1.6inWeight: 290g / 10.2oz Set 2: 160240000B00:Material: Headlight - Aluminum Alloy, Mount - Carbon FiberSize: Headlight: 10.3 x 4.1 x 2.3cm / 4.1 x 1.6 x 0.9in, Mount: 16 x 3.4 x 0.4cm / 6.3 x 1.3 x 0.2inWeight: 250g / 8.8oz Set 3: 16024420000:Material: Aluminum Alloy, BlackSize: Headlight: 10.3 x 4.1 x 2.3cm / 4.1 x 1.6 x 0.9in, Mount: 12.8 x 5.2 x 3.7cm / 5.1 x 2 x 1.5inWeight: 270g / 9.5oz Set 4: 16024540000:Material: Headlight - Aluminum Alloy, Mount - Aluminum Alloy/PlasticColor: BlackSize: Headlight: 10.3 x 4.1 x 2.3cm / 4.1 x 1.6 x 0.9in, Mount: 10 x 4 x 3.5cm / 4 x 1.6 x 1.4inWeight: 250g / 8.8ozPackage List:Package List for Set 1 (160240000C00):1x Bicycle Headlight1x USB Charging Cable1x Instruction Manual1x Bike Computer Mount2x Mounting Bases2x Wrenches2x Screws1x Action Camera Mount