Function: 1. Accurate time: The flip clock has a quartz movement, the time is accurate, and the blades can be uninstalled and installed at any time. 2. Convenient time adjustment: Easily adjust the time, and the number on the card is very large, which is very clear from a long distance. 3. Excellent material: Retro flip clock is made of PVC sheet, safe and environmentally friendly, cold and heat resistant, long-term use. 4. Fashion appearance: digital flip clock has innovative and unique appearance, retro style, fashionable and advanced. 5. Exquisite gifts: Retro digital folding clock can be given to family and friends as birthday gifts, they will love it. Specification: Item Type: Flip Clock Material: Stainless steel, PVC, ABS Time Mode: AM/PM Hours Accuracy: 90 seconds/month Movement: Quartz clock Operating temperature range: -10 50 (14 122 ) Product Size: Approx. 20,5 x 17 x 9 cm / 8,1 x 6,7 x 3,5 inches Weight: Approx. 570g / 20,1 oz List of packages: 1 x flip clock 1 x user manual Note: 1. Adjust with the knob on the side of the minute display. It is recommended to move the time one minute forward to compensate for the clock mechanism. 1. Prepare 1 dry D2 battery. Turn the battery cover in the “OFF” direction and remove it when the two triangles meet.3. Install the battery. Please note that the “” direction is outside.4 Turn the battery cover in the “ON” direction. When the bar chart corresponds to a triangle, the battery was installed.5 Turn the direction knob counterclockwise to set the time (please 1 minute earlier than the exact time).