<b>Digital Countdown Days Timer - 9999 Days Count Down Days Timer With Backlight for Retirement Wedding Vacation Christmas New Baby Classroom Kitchen Cooking </b><br><br> <b>Product Features: </b><br> 1. Long Setting Countdown Time: Up to 9999 Days <br> 2. Calculate the Countdown Time Automatically. <br> 3. With Backlight. Press any button to start the backlight. <br> 4. Memory Function <br> 1). Hold the "Clear" button until you see all the numbers shows "0". <br> 2). Push the "Enter" button,it will counting down from your last setting.<br> 5.Big LCD Screen and Easy to Read <br> 6.You can view the tartget date by pressing "look" button during countdown.<br> 7.Play Your Imagination! You can design the card by yourself. <br><br> <b>How to set the countdown time? </b><br> Step 1: Press the "Finish" button to set the target/ending time.<br> Step 2: Press the "Current" button to set the current/starting time.<br> Step 3: Press the "Enter" button, timer will work automatically.<br><br> <b>Specification： </b><br> Screen Size: 65 * 35mm / 2.5 * 1.4 in.<br> Product Dimension: 129(L) * 64(H)mm / 5(L) * 2.5(H) in.<br> Net Weight: 144g / 5.08oz.<br> Battery Required：2 * AAA batteries (NOT Included).<br><br> <b>Troubleshooting Tips: </b><br> 1.Buttons don't work.<br> This occurs while countdown is working, you need reset the clock by holding the "Clear" button for around 5 seconds, then buttons will work.<br><br> 2.Screen is stuck and display "Err".<br> This means that your starting and finish(ending) time was set incorrectly. Make sure the finish(ending) time is after the starting time.<br><br> 3. Countdown result is calculated inaccurately.<br> Just set your finish/target time first, then set the current/starting time and press "Enter" button immediately. <br><br> <b> SATISFACTION GUARANTEED: </b> 30-Day money back and 2-Year warranty. <br><br>