Alarms can be visual, audio or both.
Batteries 4 x AA batteries, not included and 3 x LR44 button cell batteries, included. Includes.
Features clear, three coloured lighted display and simple-to-program alarms (1 second to 24 hours) plus it adheres to any magnetic surface.
Measures 17.5 H x 12.5 W x 4cm D.