System：Linux3.4(iMaxOS 3.0)
Screen：4in LCD 480*480
Input：AC 110-220V 50/60Hz
Power：2~4W
Size：86*86*40mm
Wireless protocol：BT/WIFI
The wall depth：25mm
CPU control：ARM Cortex A7 dual-core 1G
Memory：1G bit SPI NAND+128M byte DDR
Microphone：Sensitivity -40dB, SNR 52dB 
Audio：0.8W speaker
Way to install：Embed the 86 bottom box