"New and improved for 2017, the Time Tracker 2.0 is the perfect tool to keep kids on track. This modern electronic timer lights up green, yellow, and red to make it easier for kids to manage their time. Use it for timed activities, playtime, bedtime, exams, and more. It's simple to program, with a large, easy-to-read LCD display. The Learning Resources Time Tracker 2.0 Features: Programmable alarms from 1 second to 24 hours 6 sound effects Volume control and pause feature Measures 8""H x 4"" in diameter Requires 4 AA batteries, not included Gender: unisex."