The electric exhaust system creates a slight negative pressure and directs the resulting moisture and odours outside via an exhaust duct. The system creates a slight negative pressure throughout to effectively remove odours and moisture. It can be easily connected via a USB connection (12V, 24V or 230V) and consumes very little power. The maximum current consumption is 0.26 A, the maximum power consumption is 1.3 W and the noise level is 19.3 dB. When using an electric exhaust system, no use of additional litter is required.