Specially optimized algorithm firmware enhances the hashrate to 964KH/s, increasing the probability of winning the lottery by 1752% (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. ESP32-2432S028R DROOM Module, support Wi-Fi and BLE. 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. Note: Please contact customer service if you need operation video material project description. (There are differences in printing screen printing due to different batches, which not affect the use.) Color: As Shown Material: PCB+Plastic Package Contents: 1 x Solo Lottery Miner 1 x USB Cable(The color of the data line 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.