It operates with low noise output under 70dB for convenient home use

Strong powder-coated steel construction

Reverse airflow mode: Yes

Power-saving auto thermostat

Motor Speed: 350 RPM

UL-tech CCTV Security System 8CH DVR 4 Cameras 2TB Hard Drive MKTMKT It operates with low noise1080P Outdoor CCTV Security Camera Motion detection of up to 192 areas. Infrared night vision within a 20m radius. Massive 2TB HDD for up to two years of recording. A camera resolution of 1080P HD for live and recorded video that is supremely better than the usual 1080P used in most DIY home security systems. The UL Tech CCTV 1080P 8 channel CCTV Security Camera is simply one of the best home surveillance systems that you can get in the market today.