Specially optimized algorithm firmware enhances the hashrate to 411KH/s, increasing the probability of winning the lottery by 680% (Nerdminer v2 only 55KH/s).The display turn off after 1 minute without operation, and you can wake up the screen by pressing any key to avoid light pollution.By double-clicking the USER key, allows you to switch to a desktop clock mode with the BTC Lottery runs in the background.ESP32-WROOM-32 Module, support Wi-Fi and BLE.Optimized Software that achieves a higher Harshrate of 411KH/s.Standalone: can work as a BTC lottery miner directly over WiFi. No External computer is needed.Embedded: low cost, low maintenance, high availability, high reliability, low power.Versatile: solo/pool mining.ESP32-S3R8 MCU wifi microcontroller on board.Master Chip: ESP32-WROOM-32Wi-Fi: 802.11 b/gBluetooth: Bluetooth LE: Bluetooth 4.2Hardware Resource: UART, SPI, SDIO, I2C, PWM, I2S, ADCMemory: 384KB ROM; 512KB ; 16KB ; 8MB SiP FlashInterface: Type-C USB;GPIO: 22Antenna Gain: Board Antenna, 2dBiThe product appearance and printed words depending on the batch, but this does not affect useColour:As ShownMaterial:PCB+PlasticPackage Contents:3 x Machine3 x USB Cable(The color of the data Cable is random, no specified color is accepted)Only the above package content, other products are not included.Note: Light reflection 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 +/- 1-3cm.