Support Apple iMac as :

Apple iMac A1419 27" 2.9GHz Core i5 Late 2012 MD095LL/A
Apple iMac A1419 27" 3.2GHz Core i5 Late 2012 MD096LL/A
Apple iMac A1419 27" 3.4GHz Core i7 Late 2012 MD096LL/A

Specifications :

Brand brand LG Display
Model LM270WQ1-SDF2
Type of panel a-Si TFT-LCDPanel
Size 27.0"
Resolution 2560(RGB)×1440 (Quad-HD) 2K.
IPS Visualization Mode, Normally Black, Transmissive
Glare surface (Haze 0%), Hard coating (2H), Antireflection
Brillo 440 cd/m2 (Typ.)
Relationship of Contrast 1000 : 1 (Typ.) (Transmissive)
Screen colors 16.7M (8-bit)
Response time 6.5 (Typ.)(G to G) (ms)
vision angle 89/89/89/89 (Typ.)(CR10) (L/R/U/D)
Frequency 60Hz
Type of WLED Lamp
Signal Interface eDP (4 Lane)
Input voltage 12.0V (Typ.)

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Please Be sure to install, mount, paste, etc.. NOT remove the plastic protectors that wear the screen. Before you have to Pre mount it and prove that the screen works properly as All Tactiles or LCD or LED screen should be tested overlays. NO GARANTIA TYPE or DEVOLUTION will be accepted once the protections are withdrawn, manipulated or without them.

Once the protectors are removed, it will be understood that the screen has been installed on the device and from that time no damage or defects can be claimed. The manufacturer only accepts screen warranty without having been installed, because, due to its fragility during installation can be broken. Normally in 95% of cases is due to incompatibility of the same, not because it does not work properly.