Masthead Receiver with Relays comes with many features like This alternative to the LGMT434 Masthead Receiver but has the addition of relay outputs which can be connected directly to the alarm pre-sets of a PTZ camera. The unit provides either 4 alarm outputs with corresponding tamper outputs or eight alarm outputs without tampers. DIL switches set the different modes as well as the unit code groups. Order before 15:30pm for next day delivery