Here’s what you get in the box The Multiplexer Bundle #2 contains 4 items. 1 of Multiplexer Box 2 of Exterior Side Camera 1 of Exterior Infrared Camera NOTE: The Multiplexer Bundle can ONLY be used as an add-on accessory to a compatible Thinkware Dash Cam. The Multiplexer Bundle by itself cannot be used to record driving footage. Compatible dash cams: Q850, Q200, F200 PRO, F790, X800 and X700 Installation guide: How to Install the Multiplexer box Specifications: Multiplexer Box Key:piano code switchcomposite screen can be configured according to switch combination Power Source:2 (BAT, GND)DC 12 V ~ 24 VCable length: 3 m AV-IN (For optional camera connection):4 cables (CAM 1, CAM 2, CAM 3, CAM 4)2.5 pi Stereo-jack typeAFHDCable length to connecting connector: 15 cm AV-OUT(For front camera connection):1 cable (AV-OUT)2.5 pi Stereo-jack typeFor front camera connectionCable length: 3 m Recording Channel: Up to 4 Analog Full HD cameras can be input (total 5CH) Composite Video: Full HD (1920 x 1080) @ 30 fps Dimensions (WxDxH): 65 x 65 x 17.5 mm (2.56 x 2.56 x 0.69 inch) Weight: 40.0 g (1.41 oz) Storage Temperature: -20°~ 70°C (-4°~ 158°F) Operating Temperature: -10°~ 60°C (14°~ 140°F) Exterior Side View Camera Resolution: Full HD (1920 x 1080) Camera: 2.12 MP Pixelplus Frame Rate: 30 fps Viewing Angle: 129° (Diagonal) Input power source: DC 5 V Current Consumption: 140 mA Dimensions(WxDxH): 61.05 x 30.5 x 25.0 mm (2.40 x 1.20 x 0.98 inch) Weight: 57.0 g (2.01 oz) Cable Length: 1.5 + 3.0 m (4.9 + 9.8 ft) Storage Temperature: -20°~ 70°C (-4°~ 158°F) Operating Temperature: -10°~ 60°C (14°~ 140°F) Certifications: KC, CE, FCC, IC, RoHS, WEEE and VCCI Exterior Infrared Camera Resolution: Full HD (1920 x 1080) Camera: 2.12 MP Pixelplus IR Wavelength: 940 nm IR Intensity:150 mW/sr @700 mA Frame Rate: 30 fps Viewing Angle: 126° (Diagonal) Current Consumption: 208 mA (IR ON), 166 mA (IR OFF) Dimensions (WxDxH): 53.2 x 43.1 x 51.3 mm (2.10 x 1.70 x 2.02 inch) Weight:106.0 g (0.23 lb) Cable Length: 2.0 + 20.0 m (6.6 + 65.62 ft) Storage Temperature: -20°~ 70°C (-4°~ 158°F) Operating Temperature: -10°~ 60°C (14°~ 140°F)