Specially optimized algorithm firmware enhances the hashrate to 964KH/s, improving performance compared to previous models. The display will turn off after 1 minute without operation, and you can wake up the screen by pressing any key to reduce light pollution. By double-clicking the USER key, you can switch to a desktop clock mode while the lottery function runs in the background. ESP32-2432S028R DROOM Module supports Wi-Fi and BLE. Standalone: can work as a lottery miner directly over WiFi. No external computer is needed. Embedded design: low cost, low maintenance, high availability, high reliability, low power consumption. Note: Please contact customer service if you need instructional video materials or project details. (There may be slight variations in screen printing due to different production batches, which do not affect functionality.) Color: As shown Material: PCB + Plastic Package Contents: 1 x Solo Lottery Miner 1 x USB Cable (cable color is random; no specific color requests accepted)