They are used, but are in good clean condition and working fine (just removed today). So if anyone can get a couple more years use from them I'd rather that than recycle them now, hence Free.
Worked well (I think these were a Consumer Magazine best buy at the time) - no false alarms, but obviously that depends how/where you install them too.
Model: OM588H-LL
Takes a 9v battery (PP3), no batteries included.
Mounts and screws included (no rawl plugs)
Free - just cover postage. Preference to anyone who wants all 3.
