<b>Description</b><br/>The remote control distance can reach to 50-80 meters, press the unlock button, then the electric bell will work, it will help you quick find the location of your bike in the dark night. In the case of an obstacle, the distance may Be shortened. When the bell is pressed while the electric bell will alarm, warning the passers-by, the bikes or the drivers.<br/><br/><b>Features</b><br/>- Color: Black.<br/>- Material: pp+Electronic Component.<br/>- Size: 9.5 x 4.5 x 2cm.<br/>Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!<br/><br/><b>Package Including</b><br/>1 x USB Charge Wireless Remote Control Bike Bell<br/>1 x Remote Controller<br/>1 x Install Strap Kit