The Guardline Wireless Driveway Alarm detects motion and heat — and it's super-affordable right now.

Just like a security light attached to a motion sensor, a driveway alarm uses a wired or wireless sensor to inform you when someone's walked or driven onto your driveway.

Homes without a security system, on the other hand, are 300% more likely to be burglarized than their alarm-equipped counterparts. A driveway alarm system is a budget-friendly, easy-to-install ...

Driveway alarms are generally affordable, ranging from £30 to £200, while retractable bollards can be more expensive, costing between £250 and £1,000 per bollard.