Monkey Light Pro - Programmable Bike Wheel Display System - Display Your Own Images and Animation For Professional use including Marketing, Advertising and Artistic applications Create playlists of your own images and animations and show them on your bike Download images and animations from Mac, iPhone or iPad with Bluetooth wireless Pre-loaded with custom artwork Sensor Stabilized full wheel display from 15-50 km/h (10-30 mph) OS X and iOS playlist creation Developer tools and API: runs on Mac and Linux Media format support:JPG, GIF, PNG, AVI, MPEG, MOV, QT, FLV, and more. On-board media storage: 2000 frames Playlist capabilities: Loop, time and sequence frames for infinite possibilities Visibility - Evening, overcast and indoors. Not visible in direct sunlight Integrated battery: 7000mAh Lithium Polymer rechargeable Colors:4096 Size: 520mm diameter, 25mm thick, 54mm center hole Weight: 720g, even balance Wheel fit: 26&#034;, 700c, 29&#034;. Maximum hub diameter 54mm. Temperature:-10C to 45C The Fukushima Wheel project outfitted a bike with pollution sensors. As you ride around, it collects data from the environment and displays it on the wheels. The Science Museum of Minnesota created an educational display. Our own staff created an interactive 3D spherical display The Museum of Brisbane made a video featuring the Monkey Light Pro 256 full color LEDs, 2500 Lumen brightness Full color circular display, 73 pixel diameter Download your own images and animations Easy to use Mac, iPad and iPhone apps Pre-loaded with custom artwork Bluetooth wireless download and control Create playlists of images and animations Sensor stabilized display, fills the wheel from 15-65 km/h (10-40 mph) Double-sided display, wide angle visibility IP55 Waterproof for use in all weather Durable solid rubber construction Keeps wheel balanced Vibration proof mount, bolts to wheel Fits 26&#034; and larger bike wheels. Maximum hub diameter 54mm Built-in lithium rechargeable battery Battery Runtime: 4-12 hours (depends on graphics) Completely contained within the bike wheel Developer SDK for custom applications Made in California USA