You can recognize a Jalo Helsinki smoke detector by its special design. Functionality and appearance come together in Jalo smoke detectors. You don't have to drill holes in your ceiling because you can attach the Jalo smoke detectors with adhesive tape. That makes mounting these design smoke detectors a piece of cake. All smoke detectors by Jalo Helsinki ring loud alarm when smoke is detected. This way, you'll always be alerted in time if a fire starts in your house.