Countup and countdown function. Magnetic backing ,retractable stand and hanging mount. You can press any button to stop the ringing. Total Size:7.5 6.8 2.0cm/2.95’’x2.68’’x0.79’’(Approx);. Notes: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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