Automatically receive the time. After installing the battery, the hour, , second hand will stop after 12 o'clock, and the time signal will be received within 8 minutesInsert an alkaline battery (1.5V AA) into the battery slot, the second hand rotates and stops when it points to 12:00 (the second hand returns to zero), then the hand starts to rotate, the hour hand points to 12:00, and the hand also points to 12:00 ( Hour and hands return to zero), receiving the radio signal, this process takes 1-8 minutes , After receiving the time, the hands will automatically turn to the position and start normal time travel.Mandatory reception / automatic reception: If you hold down the REC button for more than 3 seconds, the hours, minutes and seconds will stop immediately and enter the forced reception state. If the time is not received within 8 minutes, the clock will continue to run at the time. If the time is received within 8 minutes, the hour, and second hands First return to zero and then to the time, while updating the internal reference time.Product name: Quartz Wall ClockMotivity Type: QUARTZStyle: EuropeShape: circularForm: Single FaceType: Wall ClocksPattern: simple/customizedCombination: SeparatesDisplay Type: NeedleProduct weight: 0.75kgApplicable Placement: living roomcolour:SilverMaterial:Plastic + glasssize:30cmPackage Contents:1 x Wall ClockOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.