Door and window sensor DW2, Sonoff, RF433MHz
Door / window sensor Sonoff DW2 is a sensor with radio wave transmission on the 433MHz RF frequency that can connect to the internet and transmits notifications on mobile devices only together with Sonoff RF Bridge. The DW2 model is the successor to the DW1 model and now comes with a smaller size, a smaller but more efficient battery with a lifespan of up to 2 years and an improved design which makes it easy to integrate into any environment without being visible.
Characteristics:
Model: DW2
Power supply: AAA 1.5V battery (not included)
Working frequency: 433 MHz
Intelligent sensor for doors and windows
Sonoff DW2 - RF 433MHz is a window / door status sensor, which offers greater security against burglary of the apartment in which it is mounted. The sensor sends a notification to the phone every time a door / window is opened or closed. Take care of your security and enjoy peace of mind in your apartment.
Convenience above all
The sensor works with a connection to the Sonoff RF Bridge. The sensor sends notifications to the application on your phone if an uninvited guest tries to open a window or door of your apartment. Don't worry about the things left in the apartment
Ultra-efficient battery
Due to the low power consumption, the battery lasts up to two years.