F4 Study Timer Kitchen Cooking Countdown Reminder Multifunctional Digital Alarm Clock

1. Material: ABS
2. Battery capacity: 500mAh
3. Working temperature: 0-50 degrees Celsius
4. Standby power consumption: 20uA
5. Sleep power consumption: 150uA
6. Working current: 11mA
7. Charging current: 500mA
8. Volume level: mute/vibrate (loud 90-100DB, quiet 70-80DB)
9. Timing: gravity mode (5-60 minutes), manual mode (99 minutes and 59 seconds)
10. Product size: 44 x 44 x 46mm
11. Net weight: 47.5 grams
12. Packaging: color box

Instructions:
Gravity mode: Turn the button to mode 1; scroll 5-10-30-60 minutes upwards, and the countdown will start automatically. Turn the screen upwards to pause, and the screen downwards to clear the timer.
Manual mode: Set the button to mode 2; adjustable M/S button, press the middle button ST/SP to start the countdown
Positive timing:
1. When the display is 00: 00, short press the [SP/ST] key to start counting;
2. During the timing process, short press the [SP/ST] key to pause/start the timing;
3. In the pause state, press and hold the [ST/SP] key to clear.
Countdown settings:
1. Short press the [M/S] key to adjust the countdown time incrementally, long press the [M/S] key to quickly increase the countdown time. After the setting is completed, short press the [SP/ST] key to start the countdown;
2. During the timing process, short press the [SP/ST] key to pause/start the countdown;
3. In the pause state, press and hold the [SP/ST] key to clear;
4. After the countdown time reaches 00:00, there will be a one-minute alarm clock (“Didi Didi” LED screen lights up/the sound stops and the LED screen goes out-these two prompts are in groups of 1 second–this cycle) remind.
Vibration reminder in silent mode.
5. Memory mode: After the countdown is over, press the [SP/ST] key again to display the set time. If you need to clear it, press and hold the ST/SP button. Short press to cycle the operation again.

Precautions:
1. If the user forgets to turn off the phone, or there is no operation after 5 minutes, the product will automatically sleep;
2. After the countdown/countdown ends, the alarm duration is 1 minute;
3. After hibernation, if you have not switched to the shutdown gravity mode, you can turn it on and off, and the manual mode can be turned on with one press;
4. In silent mode, there will be vibration feedback when the timer ends or any operation is performed. There is a “beep” feedback when operating in volume mode;
5. When the battery is less than 10%, the screen flashes to remind you to charge. The red light turns on during charging, and the green light stays on when full.