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$48.99
SanJie Door Chime & Door Left Open Alarm Sensor, Instant or 30s/1/2 Min Delay, 27 Chimes, Mute to 110 dB, Entry Door Alarm When Opened for Business, Home, Fridge, Freezer, Garage, 1 Sensor
★★★★★
$48.99
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About this item
- 【Door Alarm & Door Entry Chime】: Dual roles, switch anytime.This system offers a variety of alerts, including sirens, pleasant chimes, and voice announcements (e.g., "The door is opened"). It can function as a security monitor alarm or an entry notification chime
- 【Two Instant Chime/Alarm Mode】: The alarm sounds as soon as the door is opened. One mode rings only once,you can use it for store/business/office entry chime.Another mode is intermittent ringing:beeps every 10s for 5s until door closes or any button on the alarm sensor is pressed. This alarm is ideal for monitoring kids safety, seniors with dementia safety, and home security
- 【Three Delay Chime/Alarm Modes】: The delayed chime mode can alert you when doors are left open,delayed alarm after 30 seconds/1 minute/2 minutes.Delay Modes feature intermittent alerts,not continuous alerts(e.g.,sounds for 10s, pauses for 10s, then repeats).Alert mode until door is closed or any button on the alarm sensor is pressed.Suitable for fridge/freezer: prevents food spoilage. Suitable for room: prevents loss of cool air from air conditioners in summer or warm air from heaters in winter. Also suitable for pool, garage, window,front door,back door,and other location
- 【27 Chimes & 5 Volume Levels】: Personalize your alerts with 27 chimes and 5 volume levels(from Silent LED to 110dB). Choose a quiet LED alert, gentle door chime sensor, or loud door security alarm when opened. Ideal for custom door window alarms
- 【Quick Setup】: The box arrived, opened it up, put in the 2 AAA batteries (which are included), pulled the adhesive tabs off the sensor and the chime, pushed on the door, and jam, selected which mode (which was easy, as buttons are marked and, on the side, and Tada it worked
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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