4 x LR44 Button Cell Batteries (6V DC), 110dB+, White
Swann SW351-MDA, 110 dB, White, 6 V, 1 pc(s)
Swann SW351-MDA. Alarm decibels: 110 dB. Product colour: White. Battery voltage: 6 V. Number of door/window sensors: 1 pc(s)