If you've typed that search in at 11pm after hearing next door's shed get broken into, you want a straight answer, not a sales pitch.
No law says every business must have an electrical fire alarm system, which is why the answer you get often depends on who you ask.
Building sites across Salford, from infill plots in Pendleton to apartment schemes around Chapel Street and the Quays, lose tools, plant and cable to theft every week.
Ask three security companies for a price and you can easily get three very different numbers, which makes it hard to tell whether you are being quoted fairly.
Every unattended site in Greater Manchester is a target for plant theft, cable stripping and fly-tipping, and the two most common answers are a solar-powered CCTV tower or a guard on the gate.
If you are having an extension built in Didsbury or a barn conversion out near Rochdale, at some point you will look at the pile of copper pipe, the plant on the drive and the open scaffold, and wonder whether you should be paying someone to watch it.
Remote CCTV monitoring means trained operators at a monitoring station watch over your cameras when alarms trigger, rather than footage simply being recorded for later.