SanJie Door Left Open Alarm&Door Chime,Instant/30s/1min/2min Delay,2 Sensor | 27 Chimes,Silent-110dB, Kids Safety,Business Office Home, Fridge Freezer Garage Pool,Battery Door Window Alarm

SanJie Door Left Open Alarm&Door Chime,Instant/30s/1min/2min Delay,2 Sensor | 27 Chimes,Silent-110dB, Kids Safety,Business Office Home, Fridge Freezer Garage Pool,Battery Door Window Alarm

• 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