Marketero
✓Price
$8.89
433MHz Wireless Door Window Magnetic Contact Sensor Detector Switch Alarm Home Garage Security Kit
★★★★★
$8.89
Quantity
1
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About this item
- LED indicator: Unplug the magnetic detector antenna: When the door or window opens from the locking point, LED 1 turns red for 2 seconds and the magnetic detector starts and sends an alarm signal to the main unit. Low power indicator: When the battery voltage is lower than 7.5V, LED 2 will light up directly and emit red light. At this point, you should replace a new battery immediately.
- High quality: High stability sensor, exceptional performance, high sensitivity and reliability. Energy saving design, low power consumption, long life and durable.
- Easy to install: One piece is attached to the door frame and the other is mounted in the correct place on the door. Installation is quick and easy, no additional tools are required and has a dry plastic label.
- Protective device: 433 MHz wireless alarms for home security do not work alone and must work with the home alarm system. When the door detector is activated, it can send an alarm signal to the alarm host. Tap or tap the vibration detector to trigger an alarm, send a signal to the alarm host, respond to the host and generate an alarm.
- Widely used for: This is a magnetic sensing switch that controls door and window switches. Ideal for home, apartment, caravan, dormitory, office, hotel room, garage, etc. Enter a warning.
Product details
Customer reviews
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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