bids are invited for vcrs and desktop computers and its accessories interactive panel: size - 65 , altitude ≤5000m , type technology - backlit d-led (ips panel) , brightness - 350 cd/m² , contrast ratio 5000:1 , native resolution 4k ultra-hd (3840 x 2160) , viewing angle (h/v) 178ᴼ/178ᴼ , aspect ratio 16:9 , refresh rate (hz) 60 hz , estimated life time 50,000 hours (typical) , display color (bit) 1.07 billion (10-bit) , installation orientation - landscape , response time - 8 ms , anti-glare - anti glare coating , bonding - zero optical bonding , technology - infrared touch , annotation - supported , touch - 20 points , passive pen - ±1mm , touch - ±1mm , touch resolution - 32,768 x 32,768 , surface protection - 4mm thick toughened glass (level 7h on mohs scale of mineral hardness) , touch tools - finger, stylus, glove, opaque objects , simultaneous writing, pen, touch, erase - yes , writing stylus/pen loctaion - magnetic mounting on ifpd panel front , system version - andriodᵀᴹv11.0 , browser - yes , office - yes , cpu quad-core , internal storage - 32 gb , ram - 4gb , inputs side panel - 1 x mini av(3.5 mm mini jack, 2 x hdmi 2.0(60 hz/4k) , inputs front panel - 1 x hdmi 2.0(60 hz/4k) , outputs side panel - 1 x coax(multi channel audio), 1 x mini av(3.5 mm mini jack), 1 x earphone out (stereo audio) , usb side panel - 1 x usb-b(touch), 1 x usb-a 2.0, 1 x usb-a 3.0 , usb front panel - 3 x usb-a 3.0, 1 x usb-b 3.0, 1 x usb-c , ethernet side panel - 1 x rj45 input, 1 x rj45 output , control side panel - 1 x rs232c control signal interface , antenna wifi + bluetooth - 3 + 1 (wifi 802.11a/b/g/n/ac 2.4 ghz / 5ghz 2t/2r, bluetooth 5.0) , tf card slot - 128 gb , ir receiver - yes , air play discovery by bluetooth - yes , mirror/screenshare - yes , hdmi cec - yes , voting and polling - yes , lock + teminate session - yes , file/url sharing - yes , byod - yes , collaboration - screen mirroring, digital whiteboard, office, teaching tools , screen recording , windows ops - intel standard 80 pin opsoptional , speakers - 15w x 2 (stereo) , software - custom , ota firmware upgradation - yes , screen lock - yes , pin code protection - yes , power supply (internal) - ac 100-240v, 50/60hz , consumption ≤350w , standby mode <0.5w (standby) , auto power on/off setting - yes , dimension (l x h x d)mm - 1706.76 x 1027.32 x 87.3 , net weight 50 ± 2 kg , gross weight 59 ± 2 kg , vesa mounting (fpmpmi) 600 x 400 mm , bezel size 18.08 mm r/l/u, 51.12 mm bottom , standard ac power cord (1.5m), stylus (x2), remote control (w/o batteries), hdmi cable (2m) , storage temperature -20ᴼ-60ᴼc , working temperature 0ᴼ-45ᴼc , storage humidity 10%-90% rh , warranty standard 1 year.