SAA5070 - Yale Door & Window Siren Alarm (with chime function) With chrime function Battery: LR44 x 3 Size: W41 x H62 x D21 (mm) SAA5030 - Yale Additional Siren (for SAA5010/SAA5020 alarms) SAA5020 - Yale Single Room Alarm (with remote control) SAA5000 - Yale Single Room Alarm (With telephone dialler and message recording)