Power supply: 12-24 V DC, 110 mA
4 x video inputs: 5 kohms (bridged), 75 ohms (terminated), BNC
5 x outputs: 75 ohms, BNC (4 feed-through outputs, 1 amplified output)
4 x open collector outputs: 50 mA, block terminals
Gain: 0 dB/ 75 ohms terminated
Operating signal level: 0.5-1 Vpp
Frequency range: 10 Hz to 10 MHz
S/N ratio: 70 dB/ 1 Vpp
Crosstalk:
Off attenuation: 65 dB
Differential phase: 0.3°
Dimensions (L x W x H): 146 x 78 x 42 mm
Weight: 0,39 kg
Height: 4,2 cm
Depth: 7,8 cm
Width: 14,6 cm 

Automatic video switch 4:1
-Automatic switching of video
-Switching time adjustable
-4 inputs with feed-through output via BNC plugs
-1 output via BNC plug
-Each channel with manual override button and LED indicator
-Open collector outputs for controlling other units
-NTSC and PAL compatible
-Super compact metal housing
-12-24 V DC power supply via block terminals (PSU not included)