GIRA Basic Q 114502 Smoke Detector, Pure White Glossy

• Automatic self-test
• Battery: 9 V block battery lithium battery with at least 10 year lifespan
• Acoustic alarm: vibrant tone with at least 85 dB (a)
• The smoke alarm working after the Fotoelektrischen scattered light principle ohne radioactive slides; smoke alarm realize a smoke development time and warn before the smoke concentration for humans can be dangerous
• Degree of protection: IP 42; Area of Application: in accordance with DIN 14676; approved in accordance with DIN EN 14604

It detects dangerous fumes instantly and turns on the alarm with a loud, pulsating alarm sound (85 dB) and a blinking LED.It works according to the photoelectric scattered light principle.The density of these smoke particles is measured by the smoke detector.A diode in the device continuously emits light signals and a photocell evaluates the scattered light that is produced by the smoke particles.The alarm is triggered as soon as the concentration of the scattered light surpasses the threshold value.The battery life is at least 10 years.Active principle: optical.Stand-alone: yes.Networked via cable: no.Networked via wireless (standard): no.Networked via wireless (optional): yes.Max.number networkable: 0.Primary power supply: rechargeable battery.Supply voltage: AC 9.9 V.Voltage display: no.Backup battery: no.Included backup battery: withoutbackup battery.