Smart home wireless door window alarm sensor for home security
smart window door sensor that work with 2.4ghz wi-fi no hub required app notification support, white every family is different, and so is every home. that’s why our security products are never one-size fits all, but a flexible group of products that let you choose what’s right for your family. smart door window sensor is compatible with amazon alexa and google assistant; simply give a voice command to check the open or close status instead of going down or picking up your phone; your voice device will work as chime, siren or alarm when the sensor triggered; saving your operation time and make your smart home life more convenient and easier. quick installation 1. slide to open the back cover of main sensor. 2. take out the insulation sheet. 3. press the reset button, link to app with 2.4ghz wifi. 4. stick or screw on the door or window.