SmartWise Smoke Sensor R2 is a wireless RF / radio frequency smoke detector that uses a photoelectric sensor to detect smoke indoor and to send an alarm to your mobile phone via the Sonoff RF Bridge or SmartWise RF Bridge. Via its connection to eWeLink Cloud, it can control other eWeLink compatible Sonoff and SmartWise devices. In the free eWeLink app you can set up smart controls for an alarm event, such as sounding a siren, turning on lights, or operating a bell.
It connects wirelessly to other Sonoff and SmartWise smart devices with 433.92MHz RF (radio frequency) technology via the Sonoff RF Bridge or SmartWise RF Bridge.
It is powered by a 9V battery (not provided with the product).
According to the manufacturer's specification, the battery is approx. operate the device for 2 years and beeps when battery is down.
Product features:
- Equipped with 433.92 MHz RF transmitter
- It gives a local audible alarm (85dB) and can also be sent to a phone via an RF connection to the eWeLink app.
- A wall mount adapter and 2 screws for mounting to the ceiling are provided with the product
- Easy to install without wiring
- Wireless RF frequency: 433.92MHz
- Compatible with both Sonoff RF Bridge and SmartWise RF Bridge (eWeLink app compatible)
- Application: indoors only,
- Room size: approx. 20 square meters
- Standby current: ≤ 10ua
- Alarm current: ≤ 100ma
- Alarm indication: audible alarm and led flash
- Sound level: 90db/3m
- Operating temperature: -10°c ~ 50°c
- Operating humidity : ≤ 95%
- Power supply: 1 x 9V battery (not included)
