All-In-One Heads Screen with OBD LCD Gauge plus Test Degree and Tilt Indicator; OBD+GPS dual system for broad compatibility. The HD screen head can display hundreds of PID data across multiple protocols. Key benefits - Real-time monitoring: speed, RPM, water temperature and other parameters at a glance, with on-screen alarm reminders. - Proactive alerts: when speed or other driving anomalies occur, the GPS speed indicator flashes a red alarm light to prompt awareness. - Broad compatibility: dual OBD and GPS system supports multiple protocols for wide vehicle coverage. What makes it stand out - Multifunction OBD LCD gauge in a single head: combines data display, diagnostics, and tilt indication in one unit. - HD display for clear visibility of hundreds of PID data across supported protocols. - Integrated safety alerts tied to driving behavior, helping you stay informed on the road. Use scenarios - Daily driving diagnostics: monitor core vehicle parameters in real time and receive timely alerts to prevent issues. - Performance monitoring and troubleshooting: access hundreds of PID values across multiple protocols for inspection and tuning. - Vehicle or fleet data collection: use the dual-system setup to gather data from different vehicles with broad protocol support. Notes - Maintains the original product emphasis on OBD+GPS dual-system compatibility, multiple protocols, and real-time alarm features.