3.5 Inch Screen Deeply optimized firmware, NMMiner version 1.8.20 hashrate to 960 /s, increasing the probability of winning the lottery by 1740% (Nerdminer v2 only 55KH/s) ESP32-WROOM-32 Module, support Wi-Fi and BLE Deeply optimezed software, which achieves a higher hashrate of 960KH/s Standalone, can work as a BTC lottery miner just WiFi, no extra computer is needed Low Cost, Low Power, High Hashrate, high reliability Solo mining/ BTC Lottery Note:The layout on the back of the board is random and cannot be specified, but it not affect its use. Color:As Shown Material:PCB Package Contents: 1 * NerdMiner(Without shell) 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.