ITEM NAME:3.3V Wireless Socket Module Adapter Plate 8Pin 24L01 Smart Electronic Board #JT1 Product Description Description: 3.3V Wireless Socket Module Adapter Plate Board 8Pin 24L01 Smart Electronics Module Feature: The working voltage of wireless module is generally 3.3v, while that of 51 single-chip computer is 5V. This module is convenient for the cooperation between wireless module and 51 single-chip computer system board. Specification: Pin value: 8Pin Product size: 25*18*9mm/0.98*0.7*0.35'' Product weight: 2g Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 X 3.3V Wireless Socket Module.Pin value: 8Pin. This module is convenient for the cooperation between wireless module and 51 single-chip computer system board. Included: 1 X 3.3V Wireless Socket Module. Due to the different display and different light, the picture may not show the actual color of the item.