Because YoLink is more of a general smart home system, it has a massive capacity for sensors compared to purpose-built driveway alarms. It's even compatible with IFTTT, Amazon Alexa, and Google Assistant †, so you can check sensor status with a voice command or activate a smart home device when your sensor picks up movement. Plus, it can help guests who aren't familiar with your tones to know what's going on. This is excellent if you want to hear something specific rather than choosing from a list of preset tones. We love the YoLink SpeakerHub receiver because you can use custom alarm sounds or text-to-speech notifications. The quarter-mile range isn't the longest on our list, but it's great for everything except gigantic properties. We love Guardline for its customization options and flexibility-and we think it's perfect for most properties. (Four zones with four sensors for one receiver.) You can pair specific sounds with each zone, so you'll always know where the motion is without looking. This driveway alarm comes with 32 customizable alert sounds and is expandable to include multiple sensors-up to 16. This is shorter than the full- and half-mile ranges from Dakota Alert and eMACROS, respectively, but perfect for most people. The wireless range allows for a quarter mile between the sensor and the receiver, although heavy foliage and thick walls will reduce this distance. Plus, you can remove a small cover over the motion sensor to increase the field of view for earlier alerts. If you don't want the system sending alerts during the day, you can turn on Night Mode to stay on top of nighttime visitors. There's even a unique speed sensitivity setting, so passing wildlife moving slower than 2 mph don't trigger your alarm unless you want them to. We're big fans of the four distance settings-13 feet, 23 feet, 26 feet, and 40 feet-so you can ignore people walking up a path on the other side of your driveway. You can customize almost every detection setting with Guardline. The receivers have a battery backup and a 12-volt relay to link them to additional external alarms or sirens. The sensors can withstand all types of weather and work without interference. Still, you might want to consider Dakota Alert for better options to monitor your land's perimeters. The sensors can detect motion up to 40 feet away, which should cover most driveways and even shorter stretches along your property line. Guardline uses motion detectors with passive infrared technology (PIR) to spot vehicles coming up your driveway.

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