Product Features: Automatically Solar Powered Charging Display Temperature And Pressure Simultaneously Display And Sound Prompt Alarm Mutiple Pressure Unit Options (Psi, Bar) Mutiple Temperature Unit Options(C, F ) Configurable High/Low Pressure And High Temperature Alarm Automatic Wake-Up Function Automatic Backlight Built-In Rechargeable Lithium Battery Fast Leakage Alert High Stability And Easy Installation Monitor Specification: Pressure Monitor Range: 0~9.9Bar (0~99Psi) Working Temperature: -20?~80? Storage Temperature: -30?~85? Output Voltage/Current: Dc 5V/1A Size: 87.4 70.6 25.3Mm Weight: 84G Sensor Specification: Detecting Pressure Range: 0~6Bar (0~87Psi) Working Temperature: -40?~80? Storage Temperature: -40?~85? Pressure Accuracy: 0.1Bar/1.5Psi Temperature Accuracy: 3? Weight: 9G Dimension: 21(Dia) 17.6(H)Mm Type Of Sensor Battery: Cr1632