A range of CCTV microphone with different cable lengths. For direct connection to DVR audio input. 2 types available, standard non waterproof for indoor use and waterproof version for outdoors. Covered with a patented R-cloth to protect from moisture. Proven to last for more than 5 years without malfunction. Out in the rain and in all types of weather conditions. Operating temperature of -20ºC / +50ºC.