1. Solid, durable and dustproof water discharge conforms to human engineering design2. Double-core codec ensures reliable data communication3. High quality rocker, 1 million times life4. Smart key, perfect backup working ability5. Real-time active control, in line with EU standards6. Up to 64 sets of IO input and 10 sets of proportional volume input7. Automatic frequency control, automatically select the optimal channel when starting up8. Optional bus output type, customizable feedback content