Features: 1.Data Logging: This ESP 12F WiFi module can be installed on card reader for data logging of Wiegand. 2.Easy to Use: This universal data logger could be portable if a battery and a card reader are added. Add a desktop power supply for testing hardware. 3.Easy Identification: The main target group for this ESP flasher module is 26 to 37bit Host Interface Device cards. For known card types both the binary and hexadecimal data is displayed directly in the log file for easy badge identification and also in case a clone of a card may be needed. 4.WiFi Capability: This ESP12F serial WiFi module was made primarily for data logging and while there is a transmit mode. Access to the log files and various settings is provided via a web based interface. The device has WiFi capabilities and can be set up to spawn its own access point or set to connect to an existing network. 5.Widely Used: This ESP data logger is capable of logging the credentials for access control systems or nearly any device that utilizes a Wiegand Interface such as card readers, pin pads, magnetic stripe systems, and even some biometric readers.specification:Item Type: ESP 12F WiFi Module Material: Printed Circuit Board Color: GreenPackageList:1 x ESP12FWiFiModule