Features: brand new and high quality FCOP: Full-power Cut-off (ON / OFF), you can set it yourself when the power is 500mS/ times> 500mS/ times Measurement rate: about 0.5 times/s Alarm mode: sound + display prompt double warning Display type: large screen with true color-digital display with heavy cost 2.4 Chinese English measurement interface Self-consumption current: <0.02A Working temperature: -10~+60C -10~+60C Working humidity: 10~80 (no doubt) 10~80 (no doubt) Working pressure: 80~106kPa Size: approx. 125x52x15mm/4.92x2.05x0.59in note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you