Driveway Alarm Wireless Outside, Motion Sensor Alarm 1000 FT Range Extra Loud Chimes Home Security Alarm System with 1 Receiver 1 Weatherproof Infrared Sensors Protect Indoor/Outdoor Property

It can send a signal to remind you before you notice it. One transmitter can connect up to 50 receivers, and one receiver can connect up to 50 transmitters, which can completely cover the surroundings of your family, so it can effectively protect your indoor and outdoor properties, making your home the safest place in the world!