Metal case, chrome finish. Protective hinged cover. Black metal dial with bright polished numerals. Ascending beep alarm. Clear protective lens. Requires (1) LR44 battery, included.

H: 2.25″ W: 2.75″ D: .75″ (open: 2.5″ deep)

H: 6cm W: 7cm D: 2cm (open: 6cm deep)