Technical Specifications

Parameter	Specifications
Voltage level conversion	Bi-directional 3.3 V <--> 5 V
No. of GPIOs supported for conversion	28 GPIOs
Voltage selection	Jumper Connected: Internal 5V from RPi Jumper Open: External voltage through header pin
External voltage supply range	3.5 to 5.5V
Dimensions	51.2 x 27.5 x 6.2 mm
Weight	10 grams
Operating temperature	0 °C to 60 °C
Humidity	10% to 95% RH (Non-condensing)