60 Minute Visual Timer for Kids Adults with Two Reminder Modes Focusing Mode Classroom Timer for Home School Work Blue 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 e: 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.