Specially optimized algorithm firmware enhances the hashrate to 3840KH/s(Floating up and down), increasing the probability of winning the lottery by 1800% (Nerdminer V2 only 55KH/s). Optimized Software that achieves a higher Harshrate of 3840KH/s. Hashrate increases by 1800% more than other boards from , which means 1800% 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 The total computing power of the four is 3840KH/s , fluctuating slightly. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: As Shown Material: plastic Package Contents: 1 * NerdMiner (The laser-engraved lettering on the panel is random) 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.