Channel 3.3V To 5V Voltage Convert Module For Raspberry Pi 2&B+ Feature: Mutual conversion between 3V & 5V, It's convenient for PI connected to extern 5V sensors or module Support total 8-channels The range of voltage convert: 1.8V~6V Package included: 1 x 8 Channel 3.3V To 5V Voltage Convert Module For Raspberry Pi 2&B+