How to use this timer? Step 1:Install batteries correctly and tight the battery cover. Step 2:Turn it clockwise to set the time, it starts to count down. Step 3:When time is up, it will ring or flash light, press the top button to stop it. Warning:Do not rotate the knob over "0" minute from two directions to avoid damaging the timer. SPECIFICATION: Colour:White,Pink,Blue,Green Material:plastic Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Package Contents: 1 x children alarm clock Easy to Understand: The rainbow disk of visual timer disappears counterclockwise with passage of time. It is interesting and super easy to understand. This timer will help kids and adults develop a good sense of time Easy to Use: Turn the center knob clockwise, the rainbow disk can be adjusted to the expected time duration, then it starts to count down. The cover is made of healthy materials and it can effectively protect the timer Suitable for Many Occasions: This 60 minute analog timer can be used in many occasions. It can be used as a kitchen timer, a study timer, a task timer, or a meeting timer Silently Work: When the kids timer is working, no ticking noise, it is ideal for sound-sensitive environments. 3 alert volumes optional: mute, weak, loud; lasting alarm: 3 seconds/30 seconds. Press the top button to stop the alert More about the Timer and After-sale: The indicator light will flash if the battery power is low. 2*AAA batteries required but not included.