There are 4 Hands in the face of the clock
To set the alarm turn the clock around
1 - ON/OFF Switch - It needs to be turn on to ON position in order for the alarm sound. This is like the ld school alarms. If you set the alarm at 7:00 and leave the clock at ON the alarm will sound at 7:00 AM and at 7:00 PM. If you wan the alarm to go on only at 7:00 AM you turn the alarm to ON every night when you for or sleep and set to OFF every morning when you wake up.
2 - Alarm Knob - This knob moves the thin short hand on the face of the clock to the correct time. If you want to set it for 7:30, just point the alarm hand in between 7:00 and 8:00
3 - Time Knob - Use this knob to set the clock at the correct time. It controls the minute and the hour hand. The second hand is controlled by inserting the battery.
4- Battery Compartment - Place a AA battery to start the clock.