Aqara(r) DW-S03D Door And Window Sensor T1

• Smart sensor with maximum versatility - you can install this tiny 2-piece sensor not only on the doors and windows, but also in the drawers, mailboxes, and even AC units for added convenience and peace of mind; gap between 2 parts should be less than 0.87 in.;• Multi-ecosystem support - after binding it to an Aqara(R) hub (sold separately), sensor can be exposed to third-party platforms, such as Apple(R) Home, Amazon(R) Alexa(R), Google Home(TM), IFTTT(R), and even Matter(TM); can be natively integrated with Samsung(R) SmartThings(R) and Yandex(R) Smart Home;• Advanced technology - detects the current status of doors or windows via distance between sensor and magnet; energy-efficient sensor means 1 CR1632 battery can last over 2 years with normal usage;• Security notifications - you can turn on alarm mode when you leave the house or when you are asleep and if a door or window is opened, Aqara(R) hub will sound an alarm and send a notification to your phone;• Aqara(R) Home automations - you can trigger different scenes and automations with the Aqara(R) suite of smart home products (sold separately); for example, when you open the door in the evening, the T1 will send a signal to the Aqara(R) wall switch (sold separately) to turn on the lights so no matter how late you get home, the lights will automatically turn on;• Includes user manual;