Chronomatic-274 (120-1582) Features Faxback Doc. # 3799 The Chronomatic-274 AM/FM LED Alarm Clock Radio provides these special features: Green LED Digital Display-Makes the clock easy to read. Battery Backup - Keeps the clock and alarm running for up to eight hours if powered is interrupted. Battery Sentinel - Lets you know when it is time to replace the back-up battery. Push-Button Operation - Makes the clock radio easy to use. Sleep Timer - Plays the radio for up to an hour and 59 minutes before it automatically shuts off. Snooze Feature - Silences the alarm and sets it to sound again in about 9 minutes so you can get a few extra minutes of sleep. Earphone Jack - Allows private listening through an optional earphone. (LB/all-02/06/95)