Iduino TC-9520264 Sensor module 1 pc(s) Compatible with (development kits): Arduino

Gesture recognition sensor: PAJ7620; Recognizes nine gestures; Detection distance: 10 cm; Gesture speed: 60°/S - 600°/S (normal mode); 60°/S - 1200°/S (game mode)

Price: 15.99 from Conrad Electronic