Operating Mode: 1.Power Down Mode:power consumption Less than 0.1uA.It can be awakened by an external interrupt,after the interrupt returns,continue to execute the source program. 2.Idle Mode:Typical power consumption 2mA 3.Normal Working Mode:Typical power consumption:4mA~7mA 4.The power-down mode can be awakened by an external interrupt and is suitable for battery-powered systems and portable devices such as water meters and gas meters. Memory Function: 1.Program Memory:used to store user programs,data and tables and other information. 2.Digital Memory:used to store intermediate results and process data of program execution. size:95x80mm (length, width) Material:Plastic + Metal colour:Blue+Black Package Contents: 1 x Motherboard 1 x chip 1 x Infrared remote control 1 x LCD screen 1 x Android data cable 4 x Support copper pillar nut 5 x Spare jumper cap 1 x One infrared receiver 5 x DuPont line Only the above package content, other products are not included. Note: Light shooting 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.