Wireless Driveway Alarm features 1. Weatherproof outdoor sensor with adjustable sensitivity control. 2. The sensor may be placed up to a ½ mile from the base unit in ideal condition. 3. Alerts with light and sound when vehicles or pedestrians approach within a 30 feet radius. 4. Expandable to unlimited sensors and receivers, it is perfect for homes, businesses, properties, and worksites. 5. Super simple to set up. It takes only a few minutes to set up. Easy do it yourself installation. 6. The set includes one sensor/one receiver. Detects motion in up to 4 different zones, Low battery indicator included. 7. The receiver can be charged using the cable and AC adapter or can run on (4) AA batteries. And (4) AA batteries can power the PIR sensor.

FULLY EXPANDABLE SYSTEM - Our wireless driveway alarm can be expanded up to 4 sensors and unlimited receivers. With 4 fun and unique chimes to choose from, you can match different chimes with different sensors Please contact macros After-Sale through ORDER once you need!Experience exceptional customer service . Our after-sale support team is dedicated to ensuring your satisfaction with every purchase. 30-FT WIDE MOTION DETECTION RANGE - Our driveway alarm is designed to minimize false alarms by allowing you to adjust the sensitivity settings. With a high sensitivity setting of 30ft and a low sensitivity setting of 15ft, you can customize the alarm to suit your needs and reduce any false alarms caused by small animals, wind, sunlight, or other factors. 1/2 MILE LONG WIRELESS TRANSMISSION RANGE - With real-world testing in various settings, including areas with trees, buildings, walls, and vehicles, our driveway alarm has proven to have a super long receiving range of up to 1/2 mile (in ideal situations).You can trust our driveway alarm to provide reliable and accurate monitoring, giving you peace of mind about the security of your property. EASY TO INSTALL-Installing our driveway alarm is a breeze and can be done in just a few minutes. You can easily fix the sensor to the area you want to monitor, such as walls, fences, trees, or any other location you need. Plus, with the units already being paired before shipping, you don't have to worry about any complicated pairing procedures. Please NOTE that the sensor for our driveway alarm is battery-powered. To power the motion sensor, you'll need to use 4 AA 1.5V alkaline batteries (not included in the package).