SanJie Wireless Door Chime for Store,Home & Office, 2-in-1 Door Entry Chime & Alarm,30 Ringtones,5 Volume Levels, 500FT Range,Door Alarm for Kids Safety,1 Receiver + 2 IP55 Waterproof Sensors,White

Why it's a great deal

• Instant Door Open Alerts for Home or Business: Get notified the moment a door or window opens. Perfect for front doors, back doors, office entrances, retail stores, bedrooms, garages, and more—this wireless door chime helps you monitor activity in real time without constantly checking

• Added Safety for Kids, Seniors & Everyday Peace of Mind: Stay informed the moment a child, senior, or loved one opens a door or window. Ideal for monitoring bedrooms, front doors, patio doors, or backyard access, this wireless door alarm helps you respond quickly and adds extra peace of mind at home

• Quick & Easy Installation in Minutes: Set up this wireless door chime in under 3 minutes with no tools required. Simply peel and stick the sensor to most doors or windows (not recommended for metal doors), plug the receiver into a standard outlet, and start using your door alarm system right away. For a more secure setup, the sensor can also be mounted with screws. Enjoy a reliable range of up to 100 ft indoors

• 3 Alert Modes for Different Needs: Customize this wireless door chime to fit your home or business with 3 convenient modes. Mute Mode offers silent monitoring with visual alerts only, ideal when quiet is needed. Chime Mode plays a single chime when a door or window sensor is triggered. Alarm Mode delivers a continuous chime until manually turned off for added security. Easily switch modes to use this door entry alert system for stores, offices, homes, kids, or senior safety

• IP55 Waterproof for Indoor & Outdoor Use: The IP55 waterproof sensor is designed for both indoor and outdoor use, making it ideal for front doors, patio doors, garages, and store entrances. Built to handle light rain and splashes, it works with a gap of up to 1.18 inches between the sensor and magnetic strip for reliable performance on most doors and windows

• Long-Lasting Battery Performance: Designed for reliable everyday use, this door chime sensor features low power consumption and extended battery life. Lab-tested for over 30,000 door or window openings, it delivers dependable long-term performance with fewer battery changes. The switch-free sensor design also helps prevent kids or seniors from accidentally turning it off

• 30 Chime Options & Adjustable Volume: Personalize your wireless door chime with 30 different chime sounds to match your preference. Choose from 5 volume levels, from silent mode up to 110 dB, loud enough to hear clearly throughout your home, office, or store

• Reliable Long-Range Coverage: Enjoy dependable wireless coverage with a range of up to 500 ft in open areas and 100 ft indoors. Signal range may vary depending on obstacles such as walls or doors, but stable performance is maintained without reduced range as battery power decreases

• Expandable Alert System: Easily expand your setup as needed—one receiver can connect with up to 9 sensors, while a single sensor can pair with up to 20 receivers. Ideal for larger homes, offices, retail stores, or multi-entry monitoring