Standalone Smoke Alarm sensor for rolling shutter window,window actuator

Wireless fire smoke alarm for roller shutter with linkage function specifications:
The wireless smoke alarm is mainly used to control the shutter window, When a fire occurs, the smoke alarm sound an alarm, and then send a radio signal to the motor controller to open roller shutter doors or  windows. So that you can use the least amount of time to escape danger.
1. Main unit: Linkage function
2. Voltage: DC9V
3. Emission distance: >50m
4. Wirless convenient for install