3.4 Bar Overpressure Protection ensures safe operation under high-pressure conditions. Bluetooth Remote Monitoring via HiVALUE App allows real-time data tracking and alerts via mobile device. High- Pirani Sensor provides accurate vacuum measurement across a wide range. Leak Detection Alerts with audible beeping and backlight flashing when vacuum leakage occurs. Rechargeable Battery & Compact Design and portable for field or lab use., Weight: 1.10231131 Pounds, Manufacturer: Prterver