Used equipment - tested and is 100% functional.
It's supplied without the original box.

The EL Wireless 1 & 2 Way PIR /PET protects both iConnectTM and CommPactTM systems with advanced Passive Infrared (PIR) intrusion-detection capabilities by sensing motion in the protected zone – even in total darkness. Offering a choice of selectable 1-way or 2-way RF communication, the PIR is powered by two long-life Lithium batteries and includes a "sleep" feature that ignores events during disarming – for battery power-conservation, and for user privacy. A pet-friendly design enables a pet (up to 45 kg. / 99 lbs.) to roam freely without triggering an alarm. Easy to install, a built-in bracket enables either wall or corner mounting for optimal detection coverage.

The Wireless Curtain PIR is a stylish wall mounted passive infrared detector.

The EL2762 is a gas alarm with an integrated transmitter for detection of gas leaks from various household appliances. On detecting the presence of gas, the unit sounds an alarm and notifies the control panel. Detects Methane, Propane, and Butane gases.

The EL-2606 is a low current acoustic glassbreak detector with an incorporated wireless transmitter and superior detection performance. The EL-2606 sends a status transmission to the receiver every hour to indicate that the transmitter is functional.