Main specification of writing board:  

Frame Materials: Aluminum

Writing area: high-hardness and transparency ultra clear glass

Light source: LED power supply AC: 100-240V, 50/60 Hz 1A DC: 5V, 1A max 

RGB Color (red+green+blue) & 38 kinds of flashing

Mode life 100.000 hours.

Now five size available: 30*50cm; 40*60cm;50*70cm;60*60cm;60*80cm.

Any size could be made according to customers' needs.

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 meters long, it is very convenient to use.

4.       With 3511 power receptacle that could match with NOKIA chargers.

5.       It is also match with charger of solar energy that make it more energy saving and environment protection.

6.       With battery box: alternatively uses 3*AA grade battery. It can work for a long time.

7.       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.

8.       3 color led(RGB) & 38 kinds of flash mode, the flashing mode can adjust by a contron button

9.       With advanced switch to turn on or off the board