capino Super Vociferous Magnetic Suction Timer for Kids Classroom Teaching Tool Home Office Meeting, Mechanical Countdown Clock for Exam Time Management Magnetic Product Description: Features: 1. Super easy and fast timing. There are twelve gears, just turn them. 2. Light point display, without the oppressive feeling of numerical display. 3. Using a No. 7 battery, it has a long range and is easy to replace. 4. There is non-slip silica gel on the back. 5. There is a magnet on the back that can be attached to iron objects such as microwave ovens and refrigerators, making it convenient for use in various scenarios. 6. Comes with a back support bracket. Can stand on a table. 7. Automatic shutdown after 30 seconds without manage, more energy-efficient. After ringing for 30 seconds, it will automatically shut down. [Product Specifications]： Working temperature: 0 ℃~50 ℃ Working voltage: 3V (2 AAA batteries, size 7) Volume: ≈ 70 decibels ± 5 Product size: 70 * 30mm Timing range: 1, 3, 5, 10, 15, 20, 25, 30, 35, 45, 60, 90 minutes 【 Usage 】： Countdown setting 1. Rotate the knob to set the countdown time. Rotate it to the right to increase the value by process, and the indicator lights will turn on in order(if set to 90 minutes, all value indicator lights will turn on). Rotate it to the left to decrease the value by process, and the indicator lights will turn off in order. 2. After the setting is completed, press the start countdown button, and the corresponding numerical indicator light will start flashing. During the countdown process, as time decreases to the take scale time, the current indicator light will turn off, and the indicator light for the previous scale time will start flashing. The indicator lights will turn off sequentially as time decreases. 3. The countdown ends with a 30 second beep, and the device will automatically shut down after the beep ends. Press during the prompt process to end the prompt sound. 4.During the countdown process, press the pause button to stop the indicator light flashing, then press the resume button again to start the countdown. 5. In any case, press and hold for 0.5 seconds to shut down. When the battery is low, the red light in the middle will flash for 5 seconds and automatically shut down. 【 Timer Box Specification Parameters 】： Net weight of bare machine: 55.4g. Color box+instruction manual weight: 7.8g. Single finished product weight: 63.2g (product+color box manual). Color box size: 72 * 72 * 31mm. Includes: 1x timer 1x manual. 4. There is non-slip silica gel on the back. 5. There is a magnet on the back that can be attached to iron objects such as microwave ovens and refrigerators, making it convenient for use in various scenarios. 6. Comes with a back support bracket. Can stand on a table. capino Super Vociferous Magnetic Suction Timer for Kids Classroom Teaching Tool Home Office Meeting, Mechanical Countdown Clock for Exam Time Management Magnetic Mechanical Kitchen With Magnetic Timer Super Vociferous Magnetic Suction Timer Student Problem-solving And Homework Time Manager Shipping Without Batteries