As a Universal Robotic Research Platform, Fire Bird V P89V51RD2 provides an excellent environment for experimentation, algorithm development. Specifications Microcontroller NXP P89V51RD2 (8051 architecture based Microcontroller) Sensors Three white line sensors One Sharp GP2D12C Infrared Range sensor with 80cm range Three analog IR proximity sensors (TCRT5000) Two position encoders (shaft encoders) Battery voltage sensing Indicators 2 x 16 Characters LCD Indicator LEDs Buzzer Control Autonomous Control PC as Master and Robot as Slave in wired or wireless mode Communication Wired RS232 (serial) communication Simplex infrared communication (from infrared remote to robot) Wireless ZigBee Communication (2.4GHZ) Dimensions Diameter: 16 cm Height: 10 cm Weight: 1250 Gms. Power 9.6V, 2100mAh Nickel Metal Hydride (NiMH) battery pack and external Auxiliary power using battery charger. Battery Life 2 Hours while motors are operational at 75% of time Locomotion Two DC geared motors in differential drive configuration and caster wheel at front as support Top Speed: 24 cm / second Wheel Diameter: 51mm Position encoder: 30 pulses per revolution Position encoder resolution: 5.44 mm Software Support Keil GUI based control Kit Contains Fire Bird V Robot with all the sensors mentioned in technical specifications Documentation CD USB to Serial Converter Smart NiMH battery charger with power adaptor Serial cable USB cable Flex printed 6 feet white line more details visit : http://www.nex-robotics.com/products/fire-bird-v-robots/fire-bird-v-p89v51rd2-robotic-research-platform.html?pop=0