Rotating countdown timer kitchen timer Student learning time reminder

Rotating Countdown Timer Magnetic Visual Kitchen Timer Student Learning Time Reminder - White [Precise Timing] Precise countdown to the second for accurate time management
[Silent Timing] Silent digital display design without ticking sound, perfect silent timing
[Versatile Countdown/Countdown] Supports both countdown and count-up modes, adjustable from 00-199 minutes and 0-59 seconds
[Flexible placement options] Built-in tabletop stand and magnetic base for secure mounting on iron surfaces
[Adjustable volume] User-friendly three-level volume adjustment to meet your different needs
Specifications:
Product size: 78*26.5mm
Battery life: approx. 3 months
Working temperature: 0℃-50℃
Volume: Silent / Maximum Volume: 80-90DB / Minimum Volume: 60-78DB
Working voltage: 4.5V (3 x AAA batteries) (not included)
Time difference: ±1s
Time interval: show minutes and seconds
Maximum timing: minutes 00-199; seconds 00-59
Product material: ABS
The package includes:
1 x Timer
1 x English user manual