Flashing led message board

Flashing led message board Advantages: 1) It is with 3.6V 1800mA Li Battery inside, ensuring safe Usage. 2) The power charger is with USB interface,all of country can use it. 3) The USB cable is 2 meter long,it is very convenient to use. 4) It is also match with charger of solar energy that make it more energy saving and environmental protection 5) With Battery Box: alternatively uses 3 x AA grade battery, it can work for a long time. 6) It is portable, you can use it with power charger on a very low power consumption or with batteries to carry and place it wherever you like. 7) 36 kinds twinkling modes,easy choice with a press button on side 8) With advanced switch, To turn the board off/on, press and hold the button for 8 seconds. Specification 30cm*50cm,50cm*70cm,40cm*60cm,60cm*80cm If you have any question,please contact us.