Alecto SD110 Battery-Powered Photoelectric Smoke Detector 85 dB White 101 mm

Protect your home and loved ones from the silent threat of fire with the Alecto SD110 smoke detector. This battery-powered photoelectric sensor is engineered to detect smouldering fires early, giving you precious extra seconds to react. With no wiring required, it installs in minutes on any ceiling, making it ideal for bedrooms, hallways, and living areas.

Who is it for

The SD110 is perfect for homeowners, renters, and landlords who need a reliable, standalone fire alarm without complex installation. Its compact white design blends into any interior, while the 85 dB alarm ensures you’ll be alerted even from another room. Whether you’re upgrading an old detector or adding protection to a new space, this model delivers certified safety.

Main features

• Photoelectric sensing technology for fast detection of slow, smoky fires
• Loud 85 dB alarm at 3 metres, clearly audible in most homes
• Battery operated with included 9V block battery – no electrician needed
• Low battery warning and test button for easy maintenance
• EN 14604 certified for residential use
• Quick screw mounting with included plugs and screws
• LED status indicator for operation and alarm

Specifications

• Detection principle: Photoelectric
• Power source: 1x 9V block battery (included)
• Battery life: approx. 1 year
• Alarm volume: 85 dB at 3 m
• Certification: EN 14604
• Operating temperature: 0°C to 40°C
• Operating humidity: 10% to 90% RH (non-condensing)
• Diameter: 101 mm
• Height: 36 mm
• Colour: White
• Housing material: Plastic
• Mounting: Ceiling, screw mounting
• Interconnectable: No (standalone)
• LED indicators: Yes
• Test button: Yes
• Low battery indicator: Yes

Tips

Test your smoke detector weekly using the test button and replace the battery annually or when the low battery warning chirps. Install at least one detector on each floor, ideally in hallways near bedrooms. Avoid placing near kitchens or bathrooms to reduce false alarms from cooking fumes or steam.