Weight : 33 g <br>Size : 3.5 cm * 3 cm <br>Material :Silica gel <br><br>decibel (db) : 90db<br>Voice : 3 voice to choose <br>Color : Black/ red /blue<br><br><br>Features :<br>-3 modes voice to choose <br>-Silicone material does not hurt handlebar<br>-Super power saving, batteries can be used for one year<br>-Rainproof<br>-Easy to install no need tool<br><br><img width="940" height="940" src="https://gdetail.image-gmkt.com/424/717495336/2018/1/4b1211cc-54a9-46dd-8f04-6353dc55bf8d.jpg"><br><img width="940" height="940" src="https://gdetail.image-gmkt.com/424/717495336/2018/1/b69118fd-0c86-45bb-8bc2-6fbf00a49d69.jpg"><br><img width="940" height="940" src="https://gdetail.image-gmkt.com/424/717495336/2018/1/ea6cb34b-97eb-479d-8dca-5619b6b58fd5.jpg"><br><img width="940" height="940" src="https://gdetail.image-gmkt.com/424/717495336/2018/1/292f0278-3d2e-44fe-b271-ec7ec14f7166.jpg">