100% brand new and high quality <br>New safety design; having brake taillights， turn signals， horn octave， multi-function taillights， all function in one <br>With 11 super bright LED light， 5 of them have 7 flash model<br>Suitable for the bike that handlebar diameter under 2.2cm， seat tube diameter within 3cm <br>With 8 different sounds horn<br>Power: 2 AA batteries (not included， this product is limited to a general environmental protection battery)<br>Remote control cable length: 232 cm