Car Dashboard Digital Clock - Vehicle Adhesive Clock with Jumbo LCD Time Car Dashboard Digital Clock - Vehicle Adhesive Clock with Jumbo LCD Time & Day Display - Mini Automotive Stick On Watch for Car Truck Dashboard & Air Vent JUMBO DISPLAY - LCD screen with jumbo digits make it easy to read, and give you safer driving experience. You'll only need a glance to notice the date and time when you're on the move. STOPWATCH FUNCTION! - This clock also has the stopwatch function. A perfect add-on if you want to test your 0 to 100 km/h acceleration. STURDY MOUNT - The high quality adhesive pad guarantees that the clock can be solidly attached to the dashboard, regardless of road vibrations or impacts. COMPACT & PORTABLE - It features a mounting bracket where you can slide the clock in and take it out on camping! Size: 2-1/2"x1-3/8"x9/16", powered by 1pc LR1130 cell battery (included). Please note that the car clock cannot light up during the evening.  Time Setting: Press DOWN until it displays “Hour & Minute”. Press DOWN twice to show the month, then press UP to set. Press DOWN once to show day, then press UP to set. Press DOWN when the clock displays “A/P”, then press UP to set hour. Press DOWN once to show minute, press UP to set, then press DOWN to finish this step. If you want to set the specific parameter: Please press DOWN serval times until it displays “Hour & Minute” Set your desired parameter: Month：Press down twice to show Month, then press up to set. Day: Press down 3 times to show Day, then press up to set. Hour: Press down 4 times to show Hour, then press up to set. Minute: Press down 5 times to show Minute, then press up to set. You can restart the process by pressing down until it displays hour and minute More features: Under the normal time mode: Press UP once to show "month" and "day" Press UP twice to use the 60-second stopwatch, press “DOWN” to reset to zero. Press UP to exist.