SanJie Door Left Open Alarm&Door Chime,Instant/30s/1min/2min Delay,1 Sensor | Door Alarms for Dementia/Kids Safety, Door Left Open Alarm for Business, Home, Fridge, Pool, Garage, 0-110dB, 27 Chimes

About This

• LOUD 0-110dB ALERTS THAT GET YOUR ATTENTION - Choose from 5 volume levels, including silent LED notification and powerful 110dB alerts. Whether you need a door alarms for security or a door open alarm to monitor activity, the loud sound helps notify you immediately when a door or window is opened.
• 5 SMART MODES INCLUDING INSTANT & DELAYED ALERTS - Use as Door Alarms When Opened with instant notification or select 30-second, 1-minute, or 2-minute delay modes. If a door remains open, recurring reminders continue until closed, helping reduce forgotten doors, gates, refrigerators, and freezers.
• 27 CHIMES & CUSTOMIZABLE ENTRY NOTIFICATIONS - Works as a door chime for when door opens with 27 selectable melodies. Ideal as a door entry chime for business, classroom, office, shop, or home entryway. Easily switch between welcoming chime sounds and security alert modes.
• EASY INSTALLATION WITH INCLUDED BATTERIES & STRONG ADHESIVE - Install in minutes using the included adhesive tape and pre-included 2AAA batteries. This door sensor alarm functions as one of the most versatile door and window alarms for monitoring entry points throughout your home. For best performance, keep installation spacing under 0.98 inches when closed.
• 27 Tones & 5 Volume Levels:Personalize your alerts with 27 tones and 5 volume levels up to 110dB. Choose a quiet LED alert, gentle door chime sensor, or loud door security alarm when opened. Ideal for custom window alarms
• IDEAL FOR KIDS, SENIORS, SLIDING DOORS & DAILY MONITORING - Use as a door alarms for kids safety solution to help monitor toddlers, children, or loved ones who may wander unexpectedly. Also works well as a sliding door alarm for patio doors, glass doors, cabinets, and windows, providing added awareness and peace of mind.
• LOW BATTERY WARNING & MEMORY FUNCTION - The built-in low battery indicator flashes red when power is running low. Your selected chime, volume, and mode settings are remembered during normal use, helping maintain consistent operation without repeated adjustments.
• IMPORTANT INSTALLATION GUIDELINES - For reliable operation, align the triangle markers on the sensor and magnet and test before final mounting. This product is designed for indoor use only and is not waterproof. Performance may vary on doors with unusually thick trim or large gaps.
• CERTIFICATION NOTICE - This product is powered by 2 AAA batteries and is intended for residential and light commercial use. It is not UL certified. Please review local building, pool safety, and commercial compliance requirements before installation.

Overview

• Color : White
• Brand : SanJie
• Power Source : Battery Powered
• Number of Batteries : 2 AAA batteries required. (included)
• Noise Level : 114 db
• Sanjie, since its establishment in 2015, is determined to build a brand enterprise of security products. Until now , we've offered a full range of home/business products and helped from all around the world, gaining the trust of our customers in a professional way.
• Technology Enhances Life
• We will strive to further development to change the lives of our customers and makers the world better.
• This door chime/alarm provides an instant alert when a door or window is opened — ideal for store entry, fridge door. It also works as a door alarm with delayed reminder (30s/1min/2min) if you forget to close a cabinet or door.
• This door chime/alarm (also a window chime/alarm) offers 5 selectable modes: 2 instant alert modes (ringing just once / every 10s rings for 5s) and 3 delayed alert modes (30s / 1min / 2min). Short press the mode button to switch.
• Long press 3s for power on/off. Short press power for mode: 2 instant alert modes + 3 delayed alert modes. Short press volume for 5 levels (0–110dB). Short press arrow for 27 ringtone options. Battery: 2×AAA (included) – open cover to replace.
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• Sanjie, since its establishment in 2015, is determined to build a brand enterprise of security products. Until now , we've offered a full range of home/business products and helped from all around the world, gaining the trust of our customers in a professional way. Technology Enhances Life We will strive to further development to change the lives of our customers and makers the world better.
• Door & Window Chime/Alarm Suitable for various scenarios This door chime/alarm provides an instant alert when a door or window is opened — ideal for store entry, fridge door. It also works as a door alarm with delayed reminder (30s/1min/2min) if you forget to close a cabinet or door. The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. Door Chime/Alarm Suitable for various scenarios Merchant Video
• Door & Window Chime/Alarm – 5 Modes Switchable (2 Instant / 3 Delayed) This door chime/alarm (also a window chime/alarm) offers 5 selectable modes: 2 instant alert modes (ringing just once / every 10s rings for 5s) and 3 delayed alert modes (30s / 1min / 2min). Short press the mode button to switch. The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. Door & Window Smart Chime/Alarm Mode change Merchant Video
• Door & Window Chime/Alarm – Operation Instructions Long press 3s for power on/off. Short press power for mode: 2 instant alert modes + 3 delayed alert modes. Short press volume for 5 levels (0–110dB). Short press arrow for 27 ringtone options. Battery: 2×AAA (included) – open cover to replace. The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. Door & Window Chime/Alarm – Operation Instructions Merchant Video
• Long press 3s for power on/off. Short press power for mode: 2 instant alert modes + 3 delayed alert modes.
• Short press volume for 5 levels (0–110dB).