Specially optimized algorithm firmware enhances hashrate to 1050KH/s (up and down), increasing probability of winning lottery by 850% (Nerdminer V2 only 55KH/s). Optimized Software that achieves a higher Harshrate of 1050KH/s. 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. Due to different batches, there may be differences in product appearance and printed text, which not affect use. Color: Orange Material: PCB+Plastic Package Contents: 1 x Solo Lottery Miner 1 x USB Cable(Random color, no specified color accepted) Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.