Wireless home alarm, 2 sensors + doorbell, DIY security system for shop/office

Wireless solar alarm and driveway alert system with our advanced systems technology. Wireless solar driveway alarm with AC-powered receiver and solar-powered PIR sensor. Solar powered, no need to replace batteries: the sensor is powered by a battery that is charged by the solar panel, so there's no need to replace the battery. The sensor can also be powered by the included 5V DC power adapter. Easy to install: the quick start guide gets you up and running in minutes. Expandable up to 30 sensors and unlimited receivers for complete perimeter coverage. The wireless driveway alarm detects the movement of humans, cars, and large animals. There are 38 fun and unique chimes to choose from. Match different chimes with different sensors around your property to differentiate where the wireless alarm is detected. Very long reception range: we use the latest technology components and excellent manufacturing techniques. Our system has been tested in real-world environments with trees, buildings,