Features: Specially ESP32-S3R8 MCU, support Wi-Fi and BLE. Optimized Software that achieves a higher Harshrate of 307KH/s. Computing Power increases by 60% more than other boards from rivals, which means 60% more chances of winning. 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. Description: Specially optimized algorithm firmware enhances the arithmetic power to 307KH/s, increasing the probability of winning the lottery by 60%. The display will turn off after 1 minute without operation, and you can wake up the screen by pressing any key to avoid light pollution. The system supports SSL secure connection if the pool supports it. By double-clicking the USER key, allows you to switch to a desktop clock mode with the BTC Lottery running in the background. Two updates: 1. The computing power of T190 has been upgraded from 117KH/s to 307KH/s (performing well can increase to higher computing power) 2. Equipped with a white Shell. Colour: White Material: Plastic Package Contents: 1 x lottery machine with shell 1 set x accessories (accessory colors are random,Specified color is not accepted)