Check the listing for details. Raspberry Pi GPIO Expansion Board LED Screw Terminal Hat With Screwdriver. Condition: New. Listed at 12.88 USD. LED Screw Terminal Hat Product DescriptionLED Screw Terminal Hat for Raspberry Pi is a GPIO expansion board which is for easy connecting to the 40-Pins GPIO of Raspberry Pi and it can be observing the Pin status via LED indicators, once the GPIO has level changed, the led indicator will be blinking. Product FeaturesEasy to assembleGPIO LED indicatorScrew terminalStable connection for wiring circuitGPIO function mark stickyCompatibility: Raspberry Pi 40Pin GPIO (Raspberry Pi 4B/3B/3B+/zero/zero w/zero 2w) SpecificationsGPIO status LED and power 5V / 3.3V indication.GPIO output level high LED on, output level low LED off.5V Red , 3.3V Red, GPIOs Light blue.The driving current of each LED is 4-6mA.Terminal block pitch 2.54mm/0.1", wire size range 28AWG to 18AWG, strip length 4.5mm, screw M1.6 steel, pin header and cage copper.2x20 positions header connect to Raspberry Pi boardFR-4 fiber glass PCB, dual copper layers.M2.5 Mounting HoleDimension: 61mm x 35mm x 20mmPackage IncludesRaspberry Pi board is not included! Technical Supporthttps://wiki.52pi.com/index.php?title=EP-0168 Gallery