I2C Bi-Directional logic Level Converter 4 Channel

1. Material: ABS + metal 
2. Dimensions: 16 x13 x 3 (L x W x H) mm 
3. Weight: 2gm 
4. Mutual transform between 5V TTL and 3.3V TTL 
5. Four channels of logic and high voltage low voltage logic can two-way transform 
6. Portable and lightness, with 2 rows 6 pin contact pins