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 minutes Insert 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 ), 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 ), receiving the radio signal, this process takes 1-8 minutes , After receiving the time, the hands will automatically turn to the position and 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 old time. If the time is received within 8 minutes, the hour, and second hands First return to and then to the time, while updating the internal reference time. Product name: Quartz Wall Clock Motivity Type: QUARTZ Style: Europe Shape: circular Form: Single Face Type: Wall Clocks Pattern: simple/customized Combination: Separates Display Type: Needle Product weight: 0.75kg Applicable Placement: living room colour:Silver Material:Plastic + glass size:30cm Package Contents: 1 x Wall Clock Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.