Meet the Dr. Robot Jaguar V6: a tracked mobile platform you can use to build sophisticated robots. It has a video camera with audio, WiFi, and a water resistant enclosure. The Jaguar V6 platform comes with arms, offering a reach of 42in with max 10kg payload. It relies on outdoor GPS and 9 DOF IMU for navigation.
Jaguar V6 is rugged and compact. It can climb up 55° slope or stairs. It has a max speed of 4.5 km/hr. More info is available here.