Door Contact Sensor, Vinker Wireless Window Entry Magnetic Contact Switch for Home Security Alarm Systems-(MG-A)

Description

Work with Vinker brand wireless home alarm system T-01A,VK-12A,VK-6A,and VK-99C Only! Entrances and exits are your home's weakest points—and to a burglar, an unsecured door or window is like a big "WELCOME" sign. That's why door sensors—also known as "entry sensors," "window sensors," or "contact sensors"— are some of the most popular home security devices. The earliest electronic home security system was entirely made up of door sensors—when someone opened a door or window, it triggered a big vibrating bell in a central part of the home. Specification: Power Requirements: DC=12V-8.4V Current Consumption: less than 20uA; less than 15mA while transmitting Transmit Frequency: 433MHz Transmit Duration: less than 1s Transmit Distance from host: more than 80m (no obstacle) Installation: less than 15mm between part A and part B Coding Type: 1527 Learning Code Dimensions: (WxHxD) 71x36x15 mm Type of detection: Magnetic field measurement Housing material: ABS Battery Included: 23A DC12V (Indication of low battery Function: When the voltage of battery is less than 7.5V, LED 2 will straightly turn on red light. At this time, you need to replace a new battery immediately.) Max. battery life: 2 year(s) Installation location: Windows, doors Net weight: 0,055 kg Scope of delivery: 1x Wireless opening detector 1x Battery 1x Double-sided Stickers