Specially optimized algorithm firmware improves the hashrate to 1000KH/s, increasing the probability of winning the lottery by 1800% (Nerdminer v2 only 55KH/s). The screen turns off after 1 minute of inactivity, and you can wake the screen by pressing any key to avoid light pollution. By double-clicking the USER key, you can switch to a desktop clock mode with BTC Lottery running in the background. ESP32-WROOM-32 module, supports Wi-Fi and BLE. Standalone: can function as a BTC lottery miner directly over WiFi. No external computer is needed. Built-in: low cost, low maintenance, high availability, high reliability, low power. Versatile: solo/pool mining. ESP32-S3R8 MCU wifi microcontroller on board. (There are fluctuations) (Different batches may cause differences in printing, which does not affect use. Color: As shown Material: PCB+Acrylic Package Contents: 1 x Solo Lottery Miner 1 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 to be a little different from the real thing. The allowed measurement error is +/- 1-3 cm.