The use of SCM ATMEAG328P DIP-28. With IC Block The show unit using a 160x128 pixel shade display, full-screen characters 8x20, 16-bit colour depth, graphic exhibit Elements symbols Use 9V laminated battery, also can use the power adapter(DC 6), the complete latest of about 30mA, after about 20nA shutdown latest size:5 x 8cm Material:PCB colour:red Package Contents: 1 x LCR ESR Meter Only the above package content, varied merchandise aren't included. Note: Light taking pictures and various reveals can cause the color of the item in the picture a bit varied from the real thing. The size allowed error is +/- 1-3cm.