gra lm270wq1 sd f1 or f2 a1419 2k lcd screen display panel assembly for imac 27" 661-7169 emc:2546 2639

please don't leave a postal address, better to leave an office or home address for sake of the big package. please remember insert the lcd skin temp sensor cable,if not ,the display will be overheating,drawing more power. please insert the backlight cable correctly and make sure your logic board is work well,if not ,the display may has no backlight please make sure the lcd cable insert correctly,if not ,the display may not work well ,or has no image. please match your original screen'spart number , backlight type, sizeandresolutionbefore you make the purchase..syi