Features: brand new and high quality TF Cloud V1.0 is a module for wireless file transmission between the master computer and the 3D printer, so that you can get rid of the constraint of plugging SD card. The module adopts ESP-12S, which is based on ESP8266's low-power UART-WIFI chip module; Scope of application:Any SD card interface that communicates via SPI can be plugged in and used directly.Such as: for SKR series motherboard, for motherboard, for TFT24 V1.1, for TFT35 V3.0, for TFT35-E3 V3.0 and so on. Transmission file name format requirements: only support the file name consisting ofASCII code; The main frequency supports 80MHz and 160MHz Package Includes: 1 Set x Transntter Specifications: Spectrum range: 2412-2484MHZ Logic voltage: for DC 3.3v USB input voltage: for DC 5V Size: approx 24 mm x 45.5 mm/0.94x1.79in TF card memory: 128M Optional Type: With TF Card/ Without TF Card note: Note: All SD card interfaces that communicate via SDIO mode cannot be used. For example: forBIGTREETECH TFT35 V2.0. Only the above package content, other products are not included. Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 0-2cm