Thinkware NIFRT EXT Exterior Infrared Camera (NIFRTEXT) R168X2 this amplifier features conformal coated circuit Size:1 Meter this amplifier features conformal coated circuit boards and corrosion resistant power connections to brave the challenges of the marine environment This speaker is designed to withstand the elements while delivering powerful Capture clear and detailed footage even at night time – The built in infrared light (IR wavelength 940nm) illuminates the immediate surrounding and allows TWA NIFRT to record details that are invisible to the human eye in dark conditions The exterior infrared camera can be added to the Multiplexer accessory as part of a multichannel recording system and provide additional coverage where desired