Package includes: bicycle light*1, bracket*1, data cable*1, joint*2, 3 in 1 super bright practical bicycle light: This multifunctional bicycle light has three practical functions: super bright LED bike light, smartphone holder and power bank function to meet all your daily needs. The bike light includes 3 ultra-bright XPE beads to provide maximum visibility for your night rides, and features a high-quality bike taillight to make your riding safer. Phone holder Universal for Bike: This bike phone holder can stretch freely and fit most smartphones on the market. It is easy to install and remove, and your phone can still be securely attached to the bike light even after a long ride. In addition, the head of the bicycle headlight can be rotated 180 degrees to provide a more flexible lighting range according to your needs. Rechargeable bicycle lamp: The bicycle lamp has a USB output and a built-in 4000 mAh battery. After charging, it can be used for about 4-5 hours. In an emergency, it can be used as a battery to charge your phone or provide lighting. The bike light has a power indicator light that tells you how much power is left in the battery and can be fully charged in about 4 hours via USB. Three lighting modes and decibel speaker: The bicycle headlight has three lighting modes: high brightness low brightness flash, just press the switch to change the lighting mode, which can provide multiple options for night riding in town or on mountain roads. The bicycle light is also equipped with a loud horn, and the 140 dB horn can effectively remind passers-by and ensure the safety of the bicycle. IPX5 waterproof: The powerful LED bicycle light is made made of IPX5 waterproof material, which can withstand various harsh environments, so your journey will not be affected. The bicycle light is made of high-quality materials and is robust and durable. The kit also comes with support spacers that you can install depending on the thickness of the handle.