The MaxBotix low voltage MB1000 LV-MaxSonar-EZ0 offers very short to long-range detection and ranging, in an incredibly small package with ultra low power consumption. The MaxSonar-EZ0 detects objects from 0" to 254".
This is an Enclosed 4-wheel drive remote control robot kit. Ideally suited for Autonomous Robot Development! It uses four powerful wheelchair motors and the inside robot cavity has plenty of room for electronics.