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GSM Anti Theft Door Alarm Device Security Magnetic Door Sensor Alarm System

  • 2-5 Pieces
  • 6-20 Pieces
  • 21-50 Pieces
  • >=51 Pieces
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Shipping fee:
Depends on the order quantity.
Lead Time:
5 day(s) after payment received
Customized logo (Min. Order: 500 Pieces)
Customized packaging (Min. Order: 2000 Pieces)


Graphic customization (Min. Order: 5000 Pieces) Less
Samples: $15.00 /Piece, 1 Piece (Min. Order): Buy Samples
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Samples - $15.00 /Piece, 1 Piece (Min. Order): Buy Samples
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Quick Details
Place of Origin:
Guangdong, China
Brand Name:
Model Number:
Special Features:
GSM Network:
GPS Chip:
MTK Chip
GSM Antenna:
Built-in Antenna
Positioning Accuracy:
10-15m (open sky)
Long Time Standby:
GSM standby 4-5 days
Host Size:
Working Temperature:
-20 ~ +70
Host Weight:

Packaging & Delivery

Selling Units:
Single item
Single package size: 
16X12X5 cm
Single gross weight:
0.300 kg
Package Type:
Door Alarm Gift box Dimension:114*155*47mm Net Weight: Merely 218g Carton size: 50*25*34cm Weight:10.5KG ( One carton : 40pcs)
Picture Example:
Lead Time :
Quantity(Pieces) 1 - 2 3 - 100 101 - 500 >500
Est. Time(days) 5 7 15 To be negotiated
Video Description

Door and window anti-theft alarm

SMS remote operate
Magnet door alarm, safe and stable with remote voice listening
Mobile App
Door open/ close real time alarm
Quick install
Vibration alarm
Low-battery alarm

Worrying about home being break-in?

Families were threatened by thief, money stolen or even robbed?
Worried when getting outdoors?
Nobody at home when going for a trip?
Strongbox safe?
Store safe at night?
Company safe?

Door open/close real time alarm

Anytime door open or close has App notification,
save money and effort

Simple but safe with multiple functions

Powerful functions with mobile App operation
Remote control
Paste for fast installation
Vibration alarm
Door open alarm
High frequency buzzer
Noise monitoring
Long standby
Low battery alert

One click on/off, easy and fast

Alarm on/off becomes easy with small device

Super long standby USB recharging

Ecofriendly and economic, a nice device for anti-theft indoors and on travel

Out of battery, anti-theft failed,
worried about device being stolen?

Low battery alarm will send to phone SMS and App,reminding for recharging

Application scenario

Doors of house, hotel, strongbox, etc

Product packaging

A device, a magnetic stripe, a USB cable, a Velcro, a holder and a user manual
Why Choose Us

About ReachFar

With a branch office in Hong Kong, Shenzhen ReachFar Technology Co., Ltd. was established in 2012 which is a technology company specialized in research, production and sales of GPS/Beidou location tracking devices. Possessing a number of independent intellectual property rights and various of international quality certifications, ReachFar has maintained a technological leadership at different times. Our experienced R&D team has been involved in the research and development of the GPS/Beidou System Positioning Tracker since 2007. The team has worked with 2G-GSM, 3G-WCDMA, 4G-FDD/TDD and NB/LoRa lot communication technologies. Industry applications have developed GPS personal distress alarms, animal GPS trackers, and micro anti-theft alarms in three categories, dozens of tracker models. ReachFar self-operated GPS positioning tracking platform using AES encryption technology, has been providing stable and safe data and platform & APP services for nearly a million users at home and abroad for 6 years consecutively.

ReachFar Certifications

Focusing on products that are truly superior and innovative, ReahFar has been awarded ISO9001 Quality Certification, our products have passed the international certification Design Patent, CE, FCC, RoHS, CCC, etc and grown to become one of the largest manufacturers and exporters of GPS tracking products in China.