Hello, dear friend. Welcome to my store. ♥Packing list: A/B : 1 x Horn headlight 1 x Speaker on 1 x Bracket 1 x USB Cable C: 1 x Horn headlight 1 x Speaker on 1 x USB Cable 1 x Stopwatch sensor 1 x Code table data receiver 1 x Bracket 1 x Bandage ♥Specification: Product Name: Bicycle Horn Light Gear: Four gears of dimming Color: Red/Black/Blue Material: high quality polycarbon Weight: 125g (including battery) Use battery: Built-in large-capacity lithium battery Lamp beads: Double T6 lamp beads Charging method: Smart USB charging Waterproof level: life waterproof Volume decibel: 120 decibels ♥Feature: ✔ ADVANCED DESIGN--USB rechargeable front and back lights, built in 2000mAh rechargeable internal battery for Headlight ✔ 5 HEADLIGHT MODES & 3 GEAR LIGHT MODES OPTION --Bike front light is designed for brightness of 800 lumens, up to 500 ft illuminating distances, 125° light angle and 5 lighting modes( Hight-Medium-Low-Flashlight-SOS ) to choose, lights the road ahead; Bike tail light has 220°and 700ft visibility, also 3 lighting modes(Normal-High Flashing-Low Flashing), alerts drivers to your presence so they know to give you enough space ✔ 2 IN 1 DESIGN WITH 6 HORN MODES OPTION --The bicycle front light and horn are 2 in 1 design. The bike horn can emit a warning sound up to 120 dB and there are 6 sound modes to be changed with pressing the "+" or "-" button. ✔MUTIFUNCTION: This bike light set is versatile enough for cycling, hiking, camping, or any outdoor activity and can be used as emergency flashlight. This is great for cycling at night or in places where visibility and safety are concern. So, just start your next adventure with us. ✔EASY INSTALLATION AND IP65 WATERPROOF:The front light has IP65 waterproof . The Headlight is equipped with a mounting bracket that can be easily fixed to the handlebar. The silicone mount strap for Headlight and Taillight are designed with four openings that tightly fit around most size seat posts. Both Headlight and Taillight can be easily loosen and fasten, and no tools are required. ➤Move to and click tag 【STORE Rating】 to buy more products you need in our store by touching 【Visit Store.Enjoy your shopping time and have a good day ~☺♥