CallToU Portable Door Chime with 4 Door Sensors and 1 Receiver, 500ft Range, 2 Chime Tones & Adjustable Vibration, Entry Alert for Home, Office, or Business

The CallToU Wireless Door Sensor Chime offers a convenient and reliable way to monitor your home or office. With a detection range of up to 500 feet, this chime system alerts you when a door or window is opened, displaying the corresponding number on the receiver. Featuring two adjustable chime options and vibration settings, it's ideal for child and elderly care, allowing you to stay informed even if you're not in the immediate vicinity. The expandable design supports up to 20 receivers, making it a versatile solution for securing multiple entrances in your home or business.

• Wireless door sensor chime with a generous detection area of nearly 500 feet, allowing you to hear the doorbell chime as visitors or guests arrive at your home, store, or office.
• Wireless door chime receiver with numbers 1-20 to indicate which specific door or window was opened, providing you with clear information about the entry point.
• Offers 2 different chime options and 5 adjustable volume levels, each with a strong vibration feature that can be turned off, making it suitable for child and elderly care.
• Vibration and digital display design ensure that hearing-impaired people can also be alerted to door or window openings, providing peace of mind.
• Expandable system with the ability to connect up to 20 receivers, and each sensor can be paired with an unlimited number of receivers, allowing for versatile installation in your pool, home doors and windows, garage, basement, or your shop and office.