For Zero uses Allwinner H3, a high-performance A7 -core processor with integrated Ethernet, 100 Mbit/s onboard network port, onboard storage,USB OTG power supply,USB 2.0 port, etc. Easy to install Support running Android, , Debian and other operating systems. Precisely crafted hole position can reduce the temperature of the for board in use to a certain extent, the heat dissipation function is stronger. Colour:blue+black Material:PCB Package Contents: 1 x For Zero Board(512MB ) 1 x Protective case 4 x Screw 4 x screw pads Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.