Model NO Quantity 1 Material FR4 Features Arduino application on wheel robots Specification Motor voltage range: 1.5-12V length of shaft: 10mm 6.0V 50 100rpm/min; Application SCM robot DIY projects Packing List 2 x Metal motor 2 x Tires 2 x Motor holder 1 x Casters 2 x Robot chassis 1 x L298N motor drive 1 x ARDUINO UNO328 board 1 x ARDUINO sensor shield (with Bluetooth socket) 1 x Bluetooth 1 x xy pan 1 x Servo 1 x Ultrasonic module 3 x Tracking module 1 x IR receiver sensor 1 x Remote control 2 x 2000mAh 18650 rechargeable battery 1 x 18650 battery box 1 x 18650 Charger 40 x DuPont lines 4 x Pillars 35MM 2 x Pillars 10MM 1 x 3MM screw nut set CD: http://m2.img.dxcdn.com/CDDriver/sku.173668.rar