The RX26-Z4 by CDVI is a miniature receiver contained in a 80 x 80mm box which can be programmed for pulse or step mode. This miniature-size receiver is ideal for projects with limited space requiring wireless communication. With all the components contained in a small box just 80x80mm, you can incorporate radio transmission into even the trickiest of spaces. This model has four relays, which can be programmed for pulse or step mode. A handy receiver for automatic gates, doors, roller shutters, awnings, and lights. 4-relay miniature receiver Memory for up to 85 transmitters Pulse or step mode for 4 relays Data transmission protected by KeeLoq® rolling code Ideal for automating outdoor gates or barriers - IP65 rated housing