Video output Y/C, DVI, RGB, SYNC, AVImage enhancementE-stressed mucosal morphology or profi le for increasing the sharpness ofendoscopic images. Profile enhance level has four gears to choose from.Light Source LEDDimensions [ W x H x D / weight ] 452 x 167 x 456 mm / 11.5 kgColor tone adjustment “R”, “B” adjustment: ±25 stepsBrightness adjustment “Y” adjustment: ±25 stepsFreeze, save, review Endoscopic images can be frozen and saved, so that images can be reviewed.Gain control (OFF, 1, 2 and 3)Metering mode Average; PeakWhite balance adjustment Press the white balance switch to perform the white balance adjustment.Voltage 100~240VACPower frequency 50 Hz / 60 HzAir flow 2 steps (H / L)