IP54 waterproof, no matter , rainy or weather all works well. The bicycle rear light has a wide range of brightness to alert oncoming traffic and improve cycling safety. Anti-theft bicycle alarm, sound up to 110dB, scare away thieves. Bicycle light with built-in battery, USB C recharging,2200 mAh large battery capacity, can be used for a long time. Bike rear light with 6 light modes, adapt to different riding place, more convenient and . Bike turn singnals light lights up and sounds to alert passersby and vehicles. Mounted in the bike seat, the remote control can be carried around. Colour:Black Material:Plastic+Metal Package Contents: 1 * bike light 2 * Remote 1 * Charge cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.