Plenty of generic rivals sit in this slot; the combo detector detectors & alarms deluxe is the one that behaves. At a glance Type: Combo Detector Power: Hardwired Sensor: Photoelectric Compliance: EN 54 Price: à§³33.53 (offer à§³27.96) Why it holds up Set up as a combo detector-class unit, it does the job without asking you to improvise. In practice Storage: stows neatly, taking no more room than a loaf tin when out of service. First use: no break-in ritual required beyond a quick wipe and a glance at the label. Daily duty: handles the regular routine without constant babysitting. If the rest of the electrical & lighting range shares this much intent, the store is in good hands.