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Wireless Alarm Contact for Windows & Doors - 357-1004

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357-1004 White Wireless Alarm for Windows & Doors

The 357-1004 is a white wireless alarm window/door contact. With its modern and stylish design, it looks great in any home or office. This Zemgo device has easy install and pairs with your receiver within seconds so you can have it ready right away. It has a transmitting distance, to the receiver, of 260 feet. A great feature on this accessory is the notification. If the alarm is armed and a door/window is opened, it will trigger the alarm to scare off intruders and send you a notification right away. Elegant, simple, and reliable; everything you need for security.

NOTE: The 357-1004 Wireless Alarm Contact for Windows & Doors is ONLY COMPATIBLE with the below Smart Home Wi-Fi Security Alarm Receivers:


  • Detect the opening of a door or window
  • Works with Amazon Alexa
  • Contact Range of 260 ft.
  • Battery Included
  • Color: White


  • Wireless Transmitting Distance: ≤80m (260ft.) (in an open area)
  • Operating Frequency: 315/433MHz
  • Operating Voltage: 3V DC (1*CR1632 battery, included)
  • Operating Current: 3uA (standby), 15mA (Transmitting)
  • Installation Gap: ≤ 1cm
  • Working Temperature: -20°C~+50°C (-4°F~+122°F)
  • Working Humidity: 85%
  • Dimensions: Transmitter: 30Wx45Lx11.5H mm (1.18Wx1.77Lx0.45H in.)
                      Magnetic Strip: 10Wx25Lx10H mm (0.39Wx0.98Lx0.39H in.)


The 357-1004 Wireless Alarm Contact for Windows & Doors can be used in a variety of applications

  • Gas Stations
  • Pawnshops
  • Laundromats
  • Dr. Office
  • Jewelry Stores
  • Real Estate Office
  • Secret Rooms


357-1004 - Wireless Alarm Contact for Windows & Doors Manual  357-1004 - Wireless Alarm Contact for Windows & Doors Datasheet