This is for all 3 monitors.
Perfect working condition. No dead pixels and speakers work. Speakers were never used except to test before selling.
Comes with all cables
I am the original owner.
Note: Only 2 stands (1 missing).
Local pickup only.

• DisplayViewing Angle (CR≧10) :170°(H)/160°(V)
  True Resolution :1920x1080
  Full HD 1080P :Yes
  Response Time :2ms (Gray to Gray)
  Brightness(Max) :250 cd/㎡
  Pixel Pitch :mm
  ASUS Smart Contrast Ratio (ASCR) :50000000:1
  Display Colors :16.7M
  Panel Size:Wide Screen 23.0\"(58.4cm) 16:9
• Video FeatureColor Temperature Selection :4 Modes
  HDCP support :
  SPLENDID Video Intelligence Technology
  Skin-Tone Selection :3 Modes
  SPLENDID Video Preset Modes :6 Modes
  Trace Free Technology :Yes
• Audio FeaturesStereo Speakers :2W x 2 Stereo RMS
• Convenient HotkeySPLENDID Video Preset Mode Selection
  Input Selection
  Volume Adjustment
  Contrast Adjustment
  Brightness Adjustment
  Auto. Adjustment
• I/O PortsAV Audio Input :1.3
  Signal Input :HDMI1.3, D-Sub, DVI-D
  Earphone jack :3.5mm Mini-Jack
  PC Audio Input :3.5mm Mini-Jack
• Signal FrequencyAnalog Signal Frequency :31~79 KHz(H)/ 56~75 Hz(V)
  Digital Signal Frequency :60 Hz
• Power ConsumptionPower ON : < 23.1W*
  Power Saving Mode: < 0.5W
  Power Off Mode : < 0.5W
• Mechanical DesignTilt :+20°~-5°
  VESA Wall Mounting :100x100mm
  Chassis Colors :Black
• SecurityKensington lock
• DimensionsPhys. Dimension with Stand(WxHxD) : 550.2x415.4x220 mm
  Box Dimension(WxHxD) : 620x475x170 mm
  
• WeightNet Weight (Esti.) : 4.3kg
  Gross Weight (Esti.) : 6.2kg
• AccessoriesDVI cable
  VGA cable
  Audio cable
  Power cord
• Compliance and StandardsErP, CCC, CE, WEEE, CB, BSMI, C-Tick, WHQL (Windows 7), RoHS, FCC, Gost-R, PSB, UL/cUL, VCCI, J-MOSS
• Note*Based on Energy Star 6.0 standard