Model:CL-303B specification : I ManuallAuto/Physicalexamination/Storage Models; 2.80mm,three channel format recording; 3.Bui-in rechargeable Ni-MH battery 4.250patient cases saved (extendable) 5.3.5 inch color LCD; 6.Can be connected to USB disk ,laser printer and Code Scanner(Optional) 7. Size:300mm x230mmx75mm 2.8KGS 11111010. -CD 0-0- CD 010- 0- 0,-.0z