Catalog > Consumer Electronics > Security & Alarms > Access Control > Remote Controllers RX4-500 Sherlo Code Hopping Receiver 4 Channel 500m Code Hopping Receiver RX4-500 (PA4678) Sherlo Sherlo Receiver RX4-500 UNI SHERLO 403RX4-500 Sherlo 4 Channel 500m Code Hopping Receiver RX4-500 (PA4678) 415.32 ZAR inc for 1 Each 6 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Code-hopping encryption Latch or momentary relay contacts Multiple relay times selectable (1sec;3sec;1min;3min) On-board buzzer sounds on activation Frequencies available are 403.55MHz and 433.92MHz Up to 32 remotes per channel