VS2 blue, black VS2 weather-proof visual-audible telephone call signalling sounder blue IP66 95 dB

Weather-proof visual-audible telephone call signalling sounder, Several tones/intermittent tone frequencies can be selected, Die-cast aluminium housing, High degree of protection IP 66, Mains power supply (230 V AC), For universal use in harsh ambient conditions, Makes a telephone call more noticeable, 5 lens colours can be selected