purchase of duplex printer and digital trainer kit , laser printer and digital trainer kit for ce dept , laser printer -mono laser dural band wifi duplex printer specifications: product type:laser printer functions: print scan and copy duty cycle(monthly,a4): up to 80,000 pages connetivity: wireless,ethernet,usb duplex printing: automatic (default) automatic paper sensor: yes, number of print cartridges: 1(black), replacement cartridges: oem & compatibility cartridges should be available. supported operating sysems: windows 10 & above; windows, android. warranty: 3 years. , digital ic trainer kit specifications: one ic bread board to accommodate 8 numbers of 16 pin ics +5v,1a and ±15v,200 ma dc regulated power supply. 10 numbers of de bounced switch inputs 10 numbers of buffered led outputs 0.5 hz to 50hz variable clock generator. 100 msec. single pulse output (buffered+veand-ve outputs) one seven segment display with 4 bcd inputs..