4 www.Zendit.coWireless Key FobsThe Zendit key fobs offer an effective, low cost method forwireless control of up to 4 electronic devices.1, 2, 3 and 4 channel fobs are available in black and white. Thesmall compact fobs have a working range of up to 50m and ahandy sliding button guard prevents accidental activation.This section explains the simple steps required for pairingkey fobs to receivers, learning commands, replacingbatteries and operation.SpecificationFrequency Range Battery Dimensions433.92MHz Up to 50m 3V CR2032 65 x 37 x 14.5mmPairing Key fobs & ReceiversIt’s really easy to pair a key fob with a receiver, just followthese 2 simple steps:Step 1Press the Learn button on the receiver. The LED light onthe front of the unit will turn red.For the 1Ch WIR401 this is found on the side of the unit.On the 4Ch WIR404 it is positioned at the top of the PCB.To gain access you will fi rst need to remove the cover byunscrewing the small locking screws on either side of theunit. The front panel can then slide up and off.Step 2Press Button 1 on the key fob Twice. The LED light on thereceiver will flash and then turn off.Note: When pairing a multi channel key fob all otherchannels are learnt automatically after learningchannel 1. Channel 1 activates relay 1, channel 2activates relay 2 and so on.WIR401- 1Ch RxLearnButtonLearnButtonKey Fob Part Codes:1ch - WIR301B (Black) WIR301W (White)2ch - WIR302B (Black) WIR302W (White)3ch - WIR303B (Black) WIR303W (White)4ch - WIR304B (Black) WIR304W (White)WIR404 - 4Ch Rx