tender for supply of furniture and other necessary itmes for jan gadna work , computer table 4x2 ft with drawer, keyboard rack , chair visitor chair for office use good qwality , category . ups - 1kva parameter - generic technical specifications ups capacity - 1 kva mode - line interactive protection - full protection voltage - 230v / 50 hz range - 170v - 270v power factor - 0.6 or higher backup time - 168 vah for 20 minutes backup on 1 pc (in built batteries) indicator - mains on / on battery / low battery / fault / overload plug and cable - as per standard battery type - sealed lead acid valve regulated (vrla) alarm - on battery / fault / overload / low battery model specific certifications - bis compliance - iso 9001 warranty - 3 years comprehensive on-site oem warranty , category : projector technology - 3 lcd/ dlp projection method - front & rear both minimum resolution - xga (1024x768) / wxga (1280x800) brightness - minimum 3300 ansi lumens contrast ratio - 15000:1 aspect ratio - minimum 4:3 throw ratio - 1.44 - 1.95:1 lamp type - uhe lamp life - minimum 6000 hrs, normal mode & 12000 hrs in eco mode installation of connection - vga, hdmi, usb warranty - 3 years comprehensive on site oem warranty aspect ratio - minimum 3300 ansi lumens , category : lcd writing panel size- 21 inch or higher led - led backlit resolution - 1920x1080 or better port - usb port luminosity - 210 cd/m2 or more connectivity - hdmi/dvi os support - windows 7 or higher sensor - electromagnetic size - 21 inch or higher led - led backlit resolution - 1920x1080 or better port - usb port , category 25: head phone type - over the head noise cancelling - yes connection type - 3.5mm/usb impedance - 32 ohms frequency response - 20hz-20khz sensitivity - 94 db warranty - 3 years type - over the head noise cancelling - yes connection type - 3.5mm/usb impedance - 32 ohms frequency response - 20hz-20khz sensitivity headphone - 94 db + 3db compliance - rohs, iso 9001 warranty - 3 years comprehensive on site oem warranty