- Very good smoke detection function
- Integrated heat detector
- Easy assembly
- 21 seconds shutter release delay
- No emergency light
The Gira Dual Q photoelectric smoke detector impresses in the test with reliable smoke detection, but takes some time to do so: the alarm only goes off after 21 seconds. But it is unmistakable: with a measured 92 decibels, it clearly exceeds the manufacturer's specification of 85 decibels...