Precision Speaking Alarm Clock Precision Speaking Alarm Clock. The alarm clock features an Indoor Temperature feature, backlight display, multiple alarm sounds, 12/24 HR format and Snooze function. Packaged in branded Precision packaging and comes with 2 year guarantee. Depth: 100 MM Indoor Temperature Height: 60 MM Width: 110 MM Backlight Display Mulitple Alarm Sounds 12/24 Hour Format Snooze Function