Product calibration: This product factory has strict calibration, users often don’t need correction, lest affect measuring precision, but if the product in transit or installation, strong vibration or impact, its measuring accuracy may change, at this time, if you have a reliable reference for measuring parameters, can set-up, with the slotted screw driver, in the adjustment holes on the back +,-,make positive pointer Correct value until. Matters needing attention: It is not suitable to stick the product directly or hang it in the air conditioner air outlet Make sure the place is ventilated Do not clean the product with flammable or corrosive solution Size: 230 x 66 x 15mm /length 230mm Material: plastic/ABS Color: As picture shown Temperature range: -20~50°C Humidity range: 0~100%RH Temperature error: 10°C -25°C ±1.5°C,>25°C ±2°C Humidity error: < 40%RH, ±7%RH, < 40%RH -75%RH ±5%RH, >5%RH, ±7%RH Package list: 1 x wall hang thermometer hygrometer Features: « Temperature humidity monitor: The easy-to-read graphics that indicate temperatures along the Fahrenheit and Celsius Scales as well as humidity percentage. « Premium quality: It is made from high grade plastic, wear resistant housing for long service life. « Good performance: This thermometer is built to last. Bold and easy-to-read numbers. « Easy to install: Built-in hang hole on the back makes installation easily. <
