Quantity: 1 - Color: Orange - Material: ABS plastic - Bulb type: LED - LED quantity: 14 - Light color: Blue - Power supply: 3 x AAA batteries (Not included) - Suitable bike wheel: 20" - Display time: Hour-Minute-Second - 40 pictures and 5 words (Hello / I love you / Peace / GOGO / Bike) display when biking - Pictures will change every 3 seconds - It will flash 2 minutes after wheel stops will be OFF after the wheel stops 3 minutes - Power save function: Sleepy (Stop bike 1 minutes) / Auto off (Stop bike 3 minutes) - Reverse words can be adjustable by pressing switch button 5 seconds - Water resistant easy to use. - Packing list: - 1 x Wheel lamp - 1 x Sensor clip - 1 x English user manual