This Guardline wireless driveway alarm is a perfect solution for securing your outdoor area. With a range of 500 feet, it's suitable for outdoor use, and it's both waterproof and weatherproof. This alarm is compatible with Ultra Secure, and it's expandable, making it a great choice for larger areas. This motion/PIR-activated alarm is equipped with a light sensor, and it operates on a 915 MHz frequency. It's also compatible with other smart home devices that use this frequency. This model is designed for outdoor use only, and it produces a loud sound alarm when triggered. It's an ideal choice for anyone looking to secure their outdoor area without worrying about the condition of the product.