Technical data interactive panel:   -manufacturer unknown  -Model No HDI-86i -SN: S2014M86X8000413 Year of construction: 2014 -Height: 2.00 m -Width: 1,30 m -CE-Identifier available   Technical data Beamer:   -Model: EPSON EB-575 W -50/60htz -3.4-1.5 A -Image brightness 2700 ANSI lumens -Connections HDMI, VGA, USB, LAN, Audio-In -CE-Identifier available -no remote control and manual available; -contrast ratio from 3000:1 -Connectivity HDMI Standard   Operating hours not known. No further accessories available.   A functional test has not been performed.   Both devices have signs of wear (e.g. scratches).