Specially optimized algorithm firmware enhances the hashrate to 1000KH/s increasing the probability of winning the lottery by 1800% 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. 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. There are fluctuations Different batches may cause differences in printing which not affect the use Color: As Shown Material: PCBandAcrylic Package Contents: 1 x Solo Lottery Miner 1 x USB CableThe color of the data line is random no specified color is accepted Only the above package content other products are not included. The measurement allowed error is 1-3cm.