SET YOUR OWN LIGHT MODES:You can switch different modes according to your needs and different occasions to get the best lighting experience and protect yourselfWATERPROOF BICYCLE TAIL LIGHT: The taillight is made of water resistant material to ensure a safe use in raining days. TRY TO GET YOURS!IPX2 WATERPROOF--IPX2 waterproof function can resist the rainy days and humid climate, waterproof designed for bike outdoor.REMOTE CONTROL TURN LIGHT: Easy to install. Lightweight and durable bike tail light that can be mounted on all bikes, children's bike, adult bicycle. It also can be used as helmet lights, backpack lights, warning lights and moreRIDING SECURITY--When riding a bicycle with the bike turn signals, you can use the remote to control this intelligent bike tail light with turn signal, to give backward driving vehicles light signal hints including left and right steering, parking and brake warning.