[WIFI wireless connection] By connecting WIFI and mobile phone connection, whether you are at home or away, Instant notification to your phone immediately when door or window is opened or closed. | [Multiple Uses]Install the Alarm Sensor not only on front doors or windows, but also on garage doors, liquor cabinets, front gate, safety deposit box, pet doors and more. | [Compatible with Alexa and Google Home] No hub required and No fees charge. Pair our Smartlife app with either Alexa or Google Home and enjoy knowing the status of your door sensor without needing to use your phone. Convenient for you to detect your doors, windows, cabinets, drawers or anywhere you want to notified when it is opened or closed. | [Easy Install] No complicated installation tools are required. Please scroll down find the video in the main page how to add sensor to WIFI and Alexa.Low power consumption door sensor, super-long battery life avoid replacement frequently | [Product quality and service] Our products are 100% tested and ensure that all products are qualified products before leaving the factory,and provide two-year warranty. Please rest assured to purchase and use.If you have any questions about the alarm system, please contact our customer - service anytime. We will solve it for you and make you satisfaction.

TUYA DOOR SENSOR: Upgraded door alarm with bluethooth and Wi-Fi dual connecting mode, No gateway hub required; No extra cost; Simple setup wifi window alarms for home in minutes, Control with phone via Smart Life and Tuya apps: available on Android and IOS. Easily install the door sensor anywhere with the included 3M stickers, firm and durable. | PHONE ALERTS: Receive Phone Notifications on status change when opened or closed, with an entry save in History Log. Window alarm sensors can be used for Doors, Windows, Cupboards. | VOICE CONTROL: Wifi garage sensor compatible with Amazon Alexa and Google Assistant. You can query the opening or closing status of doors/windows by voice. | HOME AUTOMATION: Door alarm sensor works with Tuya Smart/Smart Life/Alexa and Routines for Automation. Create routines /scene in Alexa or Smart Life/Tuya app to operate other Smart devices (Smart Bulb, Smart Plug, Siren Alarm, etc). | LOW POWER WARNING & PEACE OF MIND: The home security system is built-in low consumption module, come with TWO AAA Batteries and provide 1 year monitoring, When the battery level is low, it will automatically push messages throuch App to remind you to change battery, never worry about running out of battery. We provide 24 months warranty on door alarms for home security

TUYA DOOR SENSOR: Upgraded door alarm with bluethooth and Wi-Fi dual connecting mode, No gateway hub required; Simple setup wifi window alarms for home in minutes, Control with phone via Smart Life and Tuya apps: available on Android and IOS. Easily install the door sensor anywhere with the included 3M stickers, firm and durable. | PHONE ALERTS: Receive Phone Notifications on status change when opened or closed, with an entry save in History Log. Window alarm sensors can be used for Doors, Windows, Cupboards. | VOICE CONTROL: Wifi garage sensor compatible with Amazon Alexa and Google Assistant. You can query the opening or closing status of doors/windows by voice. | HOME AUTOMATION: Door alarm sensor works with Tuya Smart/Smart Life/Alexa and Routines for Automation. Create routines /scene in Alexa or Smart Life/Tuya app to operate other Smart devices such as Smart Bulb, Smart Plug, Siren Alarm, etc. | LOW POWER WARNING & PEACE OF MIND: The home security system is built-in low consumption module, come with TWO AAA Batteries and provide 1 year monitoring, When the battery level is low, it will automatically push messages throuch App to remind you to change battery, never worry about running out of battery.