It's never been easier to keep kids on track! Unique timer's light and sound cues help to keep your whole class on track. Features 180° viewing and a large, easy to read LCD display. Allows quick programming of 3 colored lights (red, yellow and green) that alert children to time remaining. Can be customized to suit your needs. Measures 8" x 4". Requires AC adapter (LER6989) or 4 AA batteries, not included. This product ships in approximately 1 days