Feature: 1. Focusing Mode: One key to start focusing mode, make learning more efficient, one key cycle timing, 25 minutes work or study, 5 minutes rest, automatic cycle. 2. Two Levels Adjustable: Cassroom timer stand two adjustable, freely adjustable, can be adjusted to a comfortable perspective. 3. Visualization: Time visualization to cultivate self discipline, focusing on learning the remaining time at a glance, intuitive perception of the passage of time. 4. Two Reminder Modes: Kids timer visual has two reminder modes, can vibrate, can rings a bell, charge once available for about 3 months. 5. Simple Operation: Press the top button, that is, enter the cycle timing 25 minutes, timing display green light, 5 minutes timing display red light, if you want to close the focusing mode, press the top again, simple operation. Specification: Item Type: 60 Minute Visual Timer Material: ABS Battery Type: Lithium Polymer Batteries (Shipped with Built in Battery) Battery Model: 372526 Battery Capacity: 250mAh Size: Approx. 8.7 x 8cm / 3.4 x 3.15in How to Use: 1. Toggle the back switch, if the function key is in the ringing state, the sound will be "drop" after the power on, after the sound stops, it will enter the working state 2. If the function key is in the vibration state, the sound will vibrate about 2s after the power on, and accompanied by the front light flashes, after the vibration stops, it will enter the working state. Countdown setting. 1. Turn the knob on the front of the dial clockwise to start the countdown timer. Example: 15 minutes countdown timer setting clockwise turn the knob at 15 minutes can be. The light in the lower right corner shows green when the countdown is working Cycle Timer Setting: Press the top button to start the cycle timer (1) ringing mode: press the top button, "drop" a sound to start the cycle of timing, at this time the light shows a green light, after 25 minutes of operation to the point of chime, you can tap the top button to discontinue the ringing, followed by a 5 minute break, the light shows a yellow light, the end of the break time is When the rest time is over, the following cycle of timing will start automatically with a "drop" prompt, and so on. Press the top button to start the cycle of timing (2) vibration mode: press the top button, vibrate a little and then start to enter the cycle of timing, at this time the indicator light shows green, after 25 minutes of operation to the point of chime, you can tap the top button to discontinue the vibration, followed by the start of the 5 minutes of rest time, at this time the indicator light shows yellow, the end of the rest time, then vibrate a tip automatically start the following cycle of timing, this cycle. State Description. Vibration mode: vibration mode, the countdown will be triggered after the end of the vibration reminder, and the indicator on the front of the screen will strobe prompt, press the button to close the vibration. Ringing mode: In ringing mode, a ringing reminder will be triggered after the countdown is over, press the button to turn off the ringing.. Package List: 1 x 60 Minute Visual Timer (Shipped with Built in Battery)1 x USB Cable Note: 1. Sleep mode 3 minutes without countdown work, it will automatically enter the sleep state, when you need to work again, you can turn the button to trigger the countdown, then directly into the work state.2. Cycle timing and the countdown on the front of the dial can not be carried out at the same time.3. When the top button is pressed or the dial knob is twisted during the cycle timing process, the cycle timing will be terminated.