Input Voltage: DC 6~21V converted to 5V 3A via step-down DC/DC converter to power the Raspberry Pi. - VGA output: HDMI to VGA converter supporting up to UXGA (1600×1200) and 1080p with 10-bit DAC - Audio: 3.5mm MIC in jack 3.5mm stereo audio jack SPDIF output audio IO connector (Microphone input and stereo audio amplifier 3.3x2W) - Wireless: Wi-Fi (IEEE 802.11b/g/n) with antenna IR sensor (38KHz) - USB: self-powered USB hub with 3 ports - RTC: Based on DS3231SN with included CR2032 battery - Servo support: 8-channel Darlington driver chip (ULN2803) allowing to control electronic circuits which require more current. - I/Os: Power output connector headers to access camera connector on top of the Raspberry Pi - Misc: DIP switch to remove connection from RPi’s pin header - Dimensions: 85 x 56mm (Same size as Raspberry Pi)