SAA5070 - Yale Door & Window Siren Alarm (with chime function) With chrime function Battery: LR44 x 3 Size: W41 x H62 x D21 (mm) SAA5000 - Yale Single Room Alarm (With telephone dialler and message recording) SAA5050 - Yale Single Room Ceiling Mounted Alarm (with remote control) SAA5040 - Yale Single Room Alarm (with 4-digit programmable code and additional siren)