LED number display with 1, 2, 3, 4, and reset function for versatile signaling
Double-sided 14-inch LED display ensures visibility from all angles
Automatic brightness adjustment for optimal visibility in varying lighting conditions
Rechargeable 800mAh polymer lithium battery provides over 10 hours of use
The marker has a single power button located at the bottom. Another button changes the numbers displayed on the LED screen, allowing for a range of 1-4, and returns to 1 after pressing with 4 shown. The numbers are displayed on both sides of the digital display, which stands at a height of 14". The display automatically adjusts its bright