Range: +2 psi Accuracy: 0.3% FS Linearity/Hysteresis: 0.1% FS of full scale Repeatability: 0.25% FS Pressure Connections: Two 1/8" (3.18mm) quick connectors Working Temperature: 0~40 Storage Temperature Range: -10~60 Product Size: 150*55*40mm Battery Type: 9V battery (not included) Product Weight: 208g Pressure Range: 2 psi, Accuracy: 0.3% OFS (at 25C) Repeatability: 0.2% (maximum 0.5% FSO), Linearity/Hysteresis: 0.29% OFS Fast 0.5 second response time and 11 selectable measurement units with reading recording max/min/average Large LCD display with backlight, reset, offset and data compensation Ideal for measuring single-pipe air pressure, twin-pipe differential pressure, ventilation, air conditioning systems, air pressure systems, etc. Good quality product