So here\'s the thing with this monitor - it is a warranty replacement from ViewSonic and I\'m pretty sure it\'s new (I haven\'t broken the security stickers) but it MIGHT be refurbished,soplease offer accordingly.
SPECIFICATIONS

• LCD PANELType :27\" SuperClear® IPS LED
  Display Area :596.47mm (H) x 335.66mm (V)
  Resolution :UHD 3840 x 2160
  Brightness :300 cd/m2 (Typ)
  Contrast Ratio :1000:1 (Typ)
  Dynamic Contrast Ratio :20,000,000:1
  Viewing Angles :178 degrees / 178 degrees (Typ)
  Response Time :5ms(GtG); 2ms (G delta)
  Colours :1.07 Billion colors, 10bit
  Colour Gamut :100% sRGB, 75% NTSC Coverage
  
• INPUT SIGNALFrequency :Fh = 15 ~204KHz ; Fv = 24 ~ 120Hz
  
• COMPATIBILITYPC :PC Compatibles (3840 x 2160 HDMI/DisplayPort Non-Interlaced)
  Mac® :Power Mac (up to 3840 x 2160 HDMI/DisplayPort)
  

• CONNECTORVideo :DisplayPort 1.2a x 1
  Mini DP 1.2a x 1
  HDMI 2.0 x 1
  HDMI 1.4 x 2
  Audio :Earphone out x 1
  
• USBUSB 3.0 Upstream x1
  USB 3.0 Downstream x4
  
• ERGONOMICSTilt: 15~-5 degrees
  Swivel: 175/175 degrees
  Rotation: 0~90 degrees
  Height Adjust:0~120mm
  
• SPECIAL FEATURESDelta E < 2
  USB Charging
  Flicker Free
  Blue light filter
  
• WALL MOUNTVESA® :100mm x 100mm
  
• POWERPower :External, Mickey mouse type (IEC 320-C6)
  Voltage :AC 100-240V; 50/60Hz
  Consumption :46.5W
  Optimize :40W
  Conserve :33W
  
• OPERATING CONDITIONSTemperature (º F / º C) :32°F to 104°F (0°C to 40°C)
  Humidity :20% to 90% (no condensation)
  
• DIMENSIONS (W X H X D) (MM)Physical With Stand (mm) :642.74 mm (W) x 555.63 mm (H) x 230.98 mm (D)
  Physical Without Stand (mm) :642.74mm (W) x 381.66 mm (H) x 55.95 mm (D)
  Packaging (mm) :749 mm (W) x 480 mm (H) x 208 mm (D)
  
• WEIGHTNet With Stand (kg) :8.36kg (18.43lbs)
  Net Without Stand (kg) :5.36kg (11.82lbs)
  Gross (kg) :10.69kg (23.55lbs)
  
• PACKAGE CONTENTSLCD Display
  AC/DC Adapter
  Power Cable
  Mini DP to DisplayPort Cable
  USB3.0 Up Stream Cable
  Quick Start Guide