Longruner UNO Project Upgraded Smart Arduino Robot Car Kit with UNO R3 with Manipulator,HD Camera Wireless Upgraded Smart WiFi DS Robot Car kit for Arduino (Old Version) Smart Car chassis ,Extra-large size stainless steel car body, military crawler-type Robot car. 2.1KG Chassis with all-stainless, laser-carving and welding body , which is best collection for Intelligent robot fans. Power system: Double dc gear motors by made-in Japan, planetary gear box, 12W.1.5W, Degree of climbing:57 720P HD camera wireless wifi arduino DS robot Smart Car kit with antenna, Obstacle avoidance,tracking. Video resolution up to 1280*720p, 5DB Increased external WiFi antenna stronger signallong-distance transmission Infrared sensor with ultrasoundthe robot's automatic obstacle avoidance function performed well.