Bicycle Parts Description: Name:Bike Tail Light Subject to the model: lithium battery bicycle, electric bicycle, electric scooter; Type: LED taillight; Voltage: 12V, 36-60V; 12V: The default is 1 plug-in with 6 holes; 36-60V: By default, 2 holes are inserted into 4 +2 holes. Subject to model: lithium battery; Model: taillight; Material: ABS; Black: the entire tail light negative line; White: negative brake lamp; Blue: brake light positive; Red: positive side of the night light; Yellow: positive of the left turn indicator light; Green: right turn indicator light positive; Packing list: 1 x lithium battery bicycle tail light set 1 x instruction manual 1 x packing box Features: Ultra Bright Led Bike Light: Our Smart Bike Tail Light is too bright enough to be seen in foggy/rainy day/or even during the day and which also can effectively remind the rear vehicle. Upgrade Bicycle Turn Signal With Remote Control: Our bike tail light comes with left and right turn signals. It can better attract the attention of other cyclists and make each other more riding safety. Easy Installation: This wireless bike tail light is compatible with most mountain , off-road or dirt bikes and is easy to install and use. the angle can be adjusted according to your needs to obtain the best viewing angle. Long Lasting: Our bicycle safety warning cycling light for night is made of quality ABS material, which is drop-resistant, wear-resistant and has a long service life. More Choices: This product has 12 volts and 36-60 volts, please select the correct number of volts before use, including night driving, brake lights, turn signals. Note: Due to manual measurement, please allow 1-3cm differences, thanks (all measurements are in cm, please note that 1cm=0.39 inches).