1. Display Control handheld demonstrator is designed for industrial robots and other applications. The structure conforms to ergonomic design, and can be easily held by one hand and both hands; 2. Industrial grade protection, strong and durable. 3. The back has the magnetic suction function, which can be sucked on the machine equipment or control cabinet; 4. Based on Linux system, the system is stable, efficient, safe and reliable; 5. Industrial-grade high-performance CortexA8 processors with a clock speed of up to 800MHz; 6. High capacity 256MBFLASH 512MBDDR3, support external USB flash disk storage.