ESP32-S3R8 MCU, support Wi-Fi and BLE. Optimized Software that achieves a higher Harshrate of 117KH/s Computing Power increases 60% more than,which means 60% more chances of winning. Standalone: can work as a BTC lottery miner directly over WiFi. Embedded: low cost, low maintenance, high availability, high reliability, low power. Hign-concerned Chemical:None Power Consumption:1w Transmission Rate:10/100Mbps Model Number:nm-bot-chain Demo Board Type:RISC-V MCU:ESP32-S3R8 Storage temperature:-30-70℃ Operating temperature:-20-60℃ Wi-Fi:802.11 b/g Function:BTC Lottery/Miner/Development Board Colour:As Shown Material:PCB Package Contents: 8 * Board 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.