Architect's & Engineer's Specifications The in-wall touch-screen control panel shall have an active touch control surface of 5.5" (140 mm) diagonal coverage being an in-plane switching (IPS) liquid crystal display (LCD) capacitive touch panel with a resolution of 720 x 1280 pixels in portrait orientation. The screen shall have a brightness of 300 cd/m2 with a contrast ratio greater than 500:1. The touch-screen control panel shall support network connectivity via a 10/100MbE RJ45 interface port. On-board memory storage at 16GB with expansion up to 32GB (TF) via a CF Card slot. he touch-screen control shall be capable of mounting into either a single gang USA NEMA back box or UK 86 Box via an optionally specified adapter plate. The touch-screen control shall act as a client supporting user defined graphical user interface from a media or control server and supported software. Optionally powered by PoE IEEE 802.3af/at supported network switch/injector or external 12VDC power supply. The dimensions (HxWxD) shall not exceed 5.75" x 3.31" x 1.26" (146 x 84 x 32 mm) and shall weigh no more than 1 lbs (0.45 kg). The in-wall touch-screen control panel shall be the MediaMatrix sTouch 55 or approved equivalent.