Product sales point:This model is a small metal alarm with a diameter of 5 cm. Please check the size before buying. set the alarm or time, please follow the direction indicated by the arrow next the knob, otherwise the alarm may be inaccurate.This mini alarm clock uses electronic buttons (AG13 or LR44 models), one for each alarm clock, the plastic gasket when in use, and the alarm clock can be used normally.Electronic buttons installedThe circular diameter of the alarm clock is 5 cm.Specification:100% brand new and high .The main body is metal, and the back cover is ABS plastic.The best choice for office workers, students, families, etc.Small and light, suitable for travelGood choice for decoration, very suitable as a special giftReally small and practicalSimple and comfortable use.Size: 5x7cmMaterial: metal plasticNote:Due manual measurement, there may be an error of 1-5mm.Since the monitors are calibrated the same, the colors of the items shown in the photos may be slightly different on your computer monitor.Package includes:1 x watch