This battery-powered optical smoke alarm features a large central test button and a sleep-easy option for silencing low battery warnings. It provides a low battery warning and emits an 85dB alarm. The unit is easy to install and includes fixings. It is non-interlinkable and suitable for leisure accommodation vehicles. The quiet test function allows for discreet testing at a lower volume. Certified to EN 14604:2005+AC:2008, it has a red operating light that flashes approximately every 40 seconds to confirm power. Designed for early detection of slow-burning fires with thick white smoke, it has a sealed-for-life lithium battery with a 10-year lifespan. The sleek design has a diameter of 118.1mm and a projection of 31.5mm.