Products K Series Main Our most popular line, with versatile programming and exceptional reliability. VIEW LINE M Series Our newest line offers the same flexibility, versatility and reliability. VIEW LINE Hazardous Locations Rated for Class I, II, II Division 2 Groups A, B , C, D, E, F, G VIEW LINE Classic Series Our most economical line using crystal based technology with great reliability. VIEW LINE N Series Exceptional Reliability with a pocket-sized transmitter VIEW LINE X Series Receiver mounts directly to the hoist VIEW LINE