Github Click here to openSpecifications Type K268 Transparent K268 A Black optional MCU ESP32 S3 Dual core LX7 microprocessorWireless Connectivity 2 4 GHz Wi Fi BLE 5Flash Memory 16MBPSRAM 8MBAdditional Functions Boot RST IR Transceiver Battery Detection I004New Functionality nRF24L01 Worldwide 2 4GHz ISMRF Transceiver CC1101 Low Power Sub 1 GHzFrequency Bands 300 348MHz 387 464MHz 779 928MHzNFC Module PN532 NFC RFID I2C transceiverDisplay 1 9 inch ST7789V IPS TFT LCDResolution 170 H RGB 320 V Drive Chip ST7789Power Supply Supports USB Li Po Dual Power with Built in Li Po Battery 1300mAh Dimensions Product Size 98mm 39mm 31mmPackaging Size 120mm 78mm 36mmFeatures 1 Dual core ESP32 S3 MCUHarness the powerful computing capabilities of the ESP32 S3 microprocessor with 16MB Flash and 8MB PSRAM ideal for applications ranging from IoT devices to AI based tasks 2 Comprehensive Wireless ConnectivityEnjoy seamless connectivity with integrated 2 4GHz Wi Fi BLE 5 and the nRF24L01 Worldwide 2 4GHz ISM module for fast versatile communication 3 Multi band RF CompatibilityEquipped with CC1101 Sub 1GHz RF transceiver supporting three frequency bands for diverse communication requirements in industrial and consumer applications 4 Advanced NFC RFID SupportIntegrates the PN532 NFC module for reliable contactless data transfer and RFID capabilities expanding its utility for smart access and payment solution 5 IPS TFT LCD DisplayFeaturing a vibrant 1