supply and installation of computer and accessories supply and installation of computer and accessories to haritha karma sena of payyannur municipality , supply and installation ofdesktop computer with intel i3 11thgenaration or higher compatible chipset oem motherboard, 8 x2(16)gb ddr4 ram, 512 gb ssd or higher, 21.5 inch or larger tft/led hd digital colour monitor. same make as pc, keyboard: usb interface. keyboard. same make as pc, mouse: optical with usb interface. same make as pc , chassis: chassis less than 16 l, ports: 6 usb ports or more (at least 2 nos. usb 3.0 ports and two ports in front panel (atleast 1 should be usb 3.0), hdmi, audio ports., networking facility: 10/100/1000 on board integrated network port, certifications: rohs compliance for product, iso 14001 for oem, warranty: 3 years comprehensive on-site warranty including monitor, operating system : windows 11 professional. preferred make: hp/ lenovo/ acer , supply and installation ofmulti function ink tank printer with the following specifications:a4 size/ print , scan , copy/wi-fi/ duplex/ ethernet / 13 ipm print resolution / 4800 x 12000 dpi / 250+100 papper input tray / 1 year warranty. preferred make: canon, epson, brother. , supply and installation of 600va ups with 15 minutes back up time for single computer, ups rating: 600va,input voltage: 140-300 v ac, input frequency: 45-55hz -auto sensing ,nominal output voltage: 230 v±10% ac, output frequency(battery mode): 50hz + /- 1hz , waveform: sine wave , battery specification , dc voltage: 12v, battery capacity: 7 ahbattery quantity: 1no, battery type : sealed maintenance free battery battery make : microtek, numeric, v-guard, warranty: 2 years comprehensive onsite including battery , supply and installation ofcomputer table with laminated wood making table with 2 ft x 4 ft size with keyboard tray, drower with lock and key , coboard with lock, front side covering with good finish.