Specification: Mounting Placement: Handlebar Power Supply: Battery Headlight: Main Material: ABS Product Color: Black Headlight Size: About 65 Mm (2.56 In) X 50 Mm (1.97 In) X 30 Mm (1.18 In) Headlight Net Weight: About 50 G Headlight LED: Beads: Xpe LED Brightness: 300 LM Gear: High Brightness-Medium Brightness-Flashing Lighting Distance: 50 M/1968.50 In Endurance: About 1.5-4 Hours Battery: 800mah Built-In Lithium Battery Waterproof Grade: Ipx4 Remarks: Charging Cable Color Black And White Random Tail Light: Product Title: USB Charging Bicycle Tail Light Main Material: ABS Product Color: Black Product Size: About 34 MM (1.34 In) X 34 MM (1.34 In) X 15 MM (0.59 In) Product Net Weight: About 14 G Charging Method: USB Battery: 150 Mah Polymer Battery LED Beads: 3 LED Lighting Level: Normal Light - Blinking - Clockwise Blinking Charging Time: 2-2.5 H Use Time: About 5 H Bicycle Bell Product Size:  65 X 55 X 53 MM/2.56 X 2.16 X 2.08 In Product Weight: 28 G Material: Aluminum Alloy + Engineering Plastic Product Color: Silver / Black Specification: Suitable For Installation Of 21-24 MM/0.82-0.94 In Diameter Handlebars Product Function: Riding Warning Note: Due To The Different Monitor And Light Effect, The Actual Color Of The Item Might Be Slightly Different From The Color Showed On The Pictures. Thank You! Please Allow 1-2 CM Measuring Deviation Due To Manual Measurement. Included: 1 x Bicycle Bell 1 X Bicycle Headlight 1 X Bike Tail Light 2 X Charging Cables (Color Black And White Random) 1. Versatile Design: This bicycle headlight+taillight+bike bell includes a front light, tail light, and bell, catering to multiple needs. The bike bell has a clear sound, stylish appearance, and is suitable for folding bikes, mountain bikes, city bikes, and more. The bell cover is made of rust-free aluminum alloy, providing all-around safety protection in different scenarios. 2. USB Rechargeable: Both the bike lights set support USB charging, offering convenience and efficiency. Simply connect them to a charger or computer via the USB interface for easy charging, eliminating the hassle of frequent battery replacement. 3. Waterproof Design: This LED cycling light set is built with waterproof capabilities, withstanding light rain and making it suitable for various weather conditions. You don't have to worry about losing illumination and warning functionality on rainy days. 4. Powerful Illumination: The cycling front light features high-brightness LED beads, providing a strong lighting effect. It offers clear and wide-ranging visibility, enhancing safety during your rides. 5. Multifunctional Tail Light: The bicycle taillight comes with a special base design, allowing you to attach it to your clothes or backpack as a warning light while running or walking. It increases your visibility and reduces potential risks during nighttime activities.