Since there is no traditional lock, it is impossible for burglars to pick the lock: they would have to possess the right data. Smart locks treat the correct data input – whether that’s a PIN typed in or a successful fingerprint scan – like a key and automatically slide back the bolt to allow entry. Most electronic keyless entry locks rely on battery power rather than mains power, so they still work in blackouts and power outages. ![]() Magnetic sensors, RFID chips, radio remote controls and number pads are the most popular options, although particularly hi-tech locks may use thumbprint or retinal scanners, voice recognition or biometric imaging. Once they were used only in hi-tech security facilities, but now they are being installed in Australian homes that value additional safety. Smart locks (sometimes called keyless locks) are becoming more common as technology progresses. ![]() Many keyless (digital or smart) locks use deadbolt cylinders too. Single-barrelled deadlocks feature a twist knob on the inside of the door that can simply be turned by hand to disengage the bolt. Double-barrelled deadbolts may be a fire risk if the door needs to be used as an emergency exit. “If a particular door/window takes an intruder longer to gain entry, most likely they will either give up or be deterred from even trying,” McBride says.ĭeadbolts come in single- or double-barrelled varieties to allow for keyed entry on one or both sides of the door. Deadbolts are also more time-consuming to lockpick than other keyed locks, which is a big deterrent to potential burglars, who don’t want to be caught in the act. They require much more force to pry back, preventing would-be burglars from prying the door open. Unlike conventional spring bolt locks, which use a spring to hold the bolt in place, deadlocks have no springs. It uses solid metal cylinders that locks the door to its frame by protruding through the door jamb and into a hole in the wall. ![]() These are strong, heavy-duty locks commonly used on exterior doors for security against breaking-and-entering. “Deadbolts or deadlocks on front doors are certainly a great first line of defence from intruders,” McBride says.
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