Professional anti-theft products to prevent illegal opening of doors and Windows, when the door or window is illegally opened, the user will receive the alarm information in the first time, and can start the intelligent device to prevent.With doorbell function, real-time perception of doors and Windows status.3V900mA CR2A lithium battery power.

• ZIGBEE DOOR SENSOR: Works with compatible Zigbee hubs or Echo devices with Zigbee hub built-in. Such as Echo (1st Gen and 2nd Gen), Echo Show 10 (2nd Gen and 3rd Gen), Echo Studio, Eero 6, Eero Pro 6, Third reality Hub and Third Reality Smart Speaker.
•  SETUP: Installs in a few seconds. Just make sure device in paring mode and compatible Echo device automatically discovers it by saying “Alexa, discover devices”.
• SUIT FOR  DOORS AND WINDOWS OF THE HOUSE AND 2-YEARS LONG BATTERY LIFE: Door Sensor use 3V900mA CR2A lithium  batteries for power, the batteries can last for up to 2 years and it is very easy to replace them. Note: Indoor use only and do not install the Door Sensor on metal door or window.
• MORE FUN WITH ALEXA ROUTINES: Using the Alexa app, create your own routines that are triggered When door or window is open, turn on a light, send an alert to your phone, let Alexa make a voice alarm or make a joke, etc.
• UPGRADED THIRD REALITY APP AND SKILL FUNCTIONS: Connected with Third Reality Hub/Speaker, you can check the battery level in the APP, then replace the batteries in time; history record is also open to the users, so you can know when the state of the movement has been detected and deal with it in time. Enabled Third Reality Skill in the Alexa APP, you will have a low battery warning by emails.