Features: 
- AC to AC
- Dual Channel Voltage Converter from 110/120V to 220/240V,
  also can change from 220/240V to 110/120V!      
- AC117V---AC230V switch      
- The maximum load power is 100W      
- Ideal for travelling to anywhere
- Size : 9 x 5.5x 4 cm      
      
Instruction:      
1. Make sure which voltage you need before used this adapter      
2. You need to check the switchs' place at the bottom of the adapter      
3. That is: A, switch to AC117V, input voltage must be AC110/120V, voltage converter
   (output) AC220/240V      
4. B, switch to AC230V, input voltage must be AC220/240V, And change the voltage into
   (output) AC110/120V      
5. Attention: it will be broken with wrong operation, and we will not responsible for the
   wrong operation.      
      
Components Included:      
1x Power Converter      
1x Adapter         

        เครื่องแปลงระบบไฟฟ้า หม้อแปลงไฟฟ้า 220V เป็น 110V และ 110V เป็น 220V ใช้
เครื่องใช้ไฟฟ้าได้สูงสุด 100 วัตต์