LEO Interactive Voice Alarm Timer Micro-SD card & Pen-Drive Mounting facility, to upload and play user’s choice sounds files. It can Play pre-recorded sounds messages as per time scheduled. Speaker Out Put For every period an interactive female voice narrating period no will be played followed after ding dong. A period bell ring will be played there after as like below mentioned message. Ding Dong….This is Period number one ….bell music Effective and user friendly. It saves your valuable human efforts. It alarms according to our time schedule. It works precisely due to real time clock inside. Set a 30 different Alarms for per day, and 210 Alarms for a week. Set a different period music’s for each period alarm time. Set up to 5 type’s Alarm ring durations. Full year calendar holiday’s setting (bell will not ring on these holidays). Set amplifier ON & OFF time as pre-defined time scheduled. Shock proof. Compact,handy and low powered device. Manual override option available.