KIDDE wireless analogue addressable siren smartcell red, individual addressing on the smartcell control panel., 32 siren tones. output level 95 db(a), bidirectional communication at 868 mhz and an anti-tamper locking mechanism., dimensions 110 x 72 mm (ø x d). weight 0.2 kg, 3 er14505m batteries. cpr certification en54-3/13/25