Specifications include, but are not limited to: Temperature (storage) -20 to +60 ̊C Relative humidity (non-condensing) 5% to 95% Atmospheric pressure 800 – 1060 hPA Power source 100 – 240V, 47 – 63Hz, 1.35A Overall dimensions: Display unit WxHxD 35.6 x 40.3 x 16.5 cm (14 x 16 x 6.5 in.) Test box WxHxD 35.6 x 13.7 x 32.8 cm (14 x 5.4 x 12.9 in.) Weight 6.5 kg (14.4 lbs) Display type LED backlit active color Display size 12.1 in. diagonal Stereo headphone monitor amplifier 250 mW into 16 ohms, L/R Power amplifiers 2 @ 5 watts each Simultaneous stimulus channels 2 Simultaneous measurement channels 2 Connectors: 1 - Ethernet (RJ45) 5 - USB 1 - HDMI 2 - External speakers (RCA) 1 - Display unit/Test box interconnection (HDMI Style) 1 - Probe dock (Mini-din) 2 - Probe microphone (3.5 mm TRS) 1 - WRECD transducer (3.5 mm TRS) 1 - Binaural monitor headphone (6.3 mm TRS) 2 - Test box ref. mic. (3.5 mm TRS) 1 - Binaural coupler microphone (3.5 mm TRS) 1 - Battery substitute (3.5 mm TRS)