This bicycle wheel light monitor system is an intelligent equipment specially designed for cyclists which is installed onto the bike hub easily and able to display any imaginable images, cartoons, words so cyclists can express their own personality and creativity in a rather dull riding. It works perfectly on 26" bikes or above. A programmable bicycle light that turns your bicycle wheel into a colorful screen. Fun with this product! Features: It consist of 64 high visibility RGB LED lights, easy to see on the road at night or even by day. You can download pictures from the internet and design your own pictures/words. With the sensor, the power will be out automatically when you are not riding. It is a wonderful light decoration for your beloved bikes due to its color completeness and high resolution for best view experience. IP55 Waterproof design, no need to worry about rainy days' riding and damages caused by normal bicycle washing. It is applicable to bikes with wheel diameter of 26 inches and above. Specifications: Material: ABS + PC LED quantity: 64 LED light color: RGB Full colors Resolution: 208 * 208 pixels Battery capacity: 950mAh Battery working time: 8-10h Charging method: USB charging Waterproof level: IP55 Product Size: 50 * 3 * 2 cm / 19.7 * 1.2 * 0.8 in Product Weight: 260 g / 9.2 oz Package size: 26 * 15.5 * 7.5cm / 10.2 * 6.1 * 3.0in Package weight: 450 g / 15.9 oz Package List: 1 * Light 1 * Magnet Head 2 * Bolts 1 * Lithium Battery with USB Port 1 * Charging Cable 2 * Zip Ties 2 * Fixed Pads Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.