This vintage Equity Door Alert model #172 is a rare find, still new in its original open box. Designed as a battery-powered door alarm, this device is perfect for adding an extra layer of security to your home. Made in Hong Kong, this Door Bell model is a great addition to your home surveillance system. The Equity Door Alert is a high-quality product that offers reliable protection. With its easy-to-use features and compact design, this door alarm is perfect for anyone looking for added peace of mind. Whether you're looking to secure your home or just want to add a touch of vintage charm to your space, this rare find is sure to impress.