Now more visible than ever! Features clear, 3-colour lighted display and simple-to-program alarms (1 second to 24 hours) plus it adheres to any magnetic surface! Great for classroom use on a magnetic whiteboard! Alarms can be visual, audio or both. Use handy flip-out stand for tabletop use. 7"L x 5"H x 1-1/2"W. Requires 4 "AA" batteries, not included, and 3 LR44 button-cell batteries, included.