purchase of principal room inverter and printer (equipment) , equipments for principal room inverter and printer: , 3.5 kva ups 36 v dc specifications: • capacity in kva – 3.5 kva • voltage range: 120 – 220v ac • singel phase input • single phase output • battery voltage: 36 v dc • warranty: 2 years for ups • including wiring and installation , ups battery specifications: battery bank for 3.5 kva ups battery: 12 v x 200 ah. battery type: tubular type batteries suitable ms rack with strong wheel for battery warranty: 2 years for batteries , all in one inkjet printer printer specification colour inkjet multifunctional (print, scan, copy) core functions: print, copy, scan print speed: up to 25 pages / min monochrome for a4 paper 15 pages for colour print resolution: 4500 x 1000 dpi scan resolution: 1000 x 2000 dpi duplex printing, automatic document feeder: 30 pages => limited