Chip: Basic Stamp II 3x Sharp GP02D2 Sensor 1x Step Scan Sensor 1x 6Volt Lead Akku IR Control System Special for outside-employments into narrow areas (tubes.) Optional with camera and IR Headlights Little and handy (125 x 190 x 160mm) See our video and Pics on http://www.opperer.com/robotic/neo.html Email: neon@opperer.com