This optical fire alarm has an innovative design. A smoke alarm creates security for you and your family in your home, a place where everyone should feel safe. A smoke detector detects smoke and warns before you start to get smoke poisoning. Inside the optical fire alarm is a light beam that constantly shines at a sensor. If the light beam is broken due to smoke, the fire alarm is activated.

Specifications:

• Diameter: 10 cm.
• Black.
• Built-in battery with an operating time of 10 years.