BrematicPRO wireless smoke and heat alarm RM868 01 Reliable protection against fire and smoke development: Be alerted early about fires or dangerous smoke gases. Even if you don't hear the loud warning signal when you're away, you will be quickly informed of an emergency when paired with the gateway and the app thanks to direct notifications on your smartphone. Reports smoke and heat. Penetrating alarm signal 85 dB. Alarm message to the BrematicPRO gateway.