862-37-ASKDRXV3 Sherlotronics long range receive Sherlotronics long range receive Long-range performance: 500m line-of-sight Signal reception LED indicator 12V - 24V AC/DC voltage input You might also be interested in: 862-37-RX1-150 / RX2-150 / RX3-150 Sherlotronics receivers 862-37-PTX1 Sherlotronics 1 Button pendant transmitter 862-37-COMPLEXRX Sherlotronics 2 Channel complex gate receiver