This professional meter can measure temperature and humidity with reliable measurement results. Dual display of temperature and humidity, easy to exchange between and . It is suitable to be used in laboratory, warehouse, restaurant, greenhouse, air-conditioned rooms, etc. Features: Data hold with Maximum and Minimum. Display the measured value at the large LCD display screen. LCD display with switchable backlight, easy for reading and convenient to use at night. Display the temperature and humidity at the same time, easy to exchange between and . Additional Functions: data storage, automatic shutdown, low battery indication and overload indication, high and low humidity alarm function. Compact Size and Light Weight: you can hold and carry it conveniently. Humidity and temperature meter is widely used in science and industry. Application included used in warehouse, home, office, school, business, air conditioning system, quality control system and laboratory, etc. Specifications: Brand name: Smart Sensor Color: Black Material: ABS Display: LCD Display Temperature measuring range: -10C-50C/14F-122F Temperature resolution: 0.1C/0.1F Temperature Accuracy: +/-1.5C Humidity measuring range: 5.0%RH-98%RH (Humidity Sensor cant dip in water) Humidity Resolution: 0.1%RH Humidity accuracy:(assume the temperature environment is 25+/-3C) (5.0%RH-40%)+/-5%RH (41%RH-80%)+/-4%RH 81%RH-98%)+/-5%RH Refresh Rate: 2times/second Operation environment: 0C-50C80%RH(not condensing) Storage environment: -10C-60C:0%-90%RH Power Supply: 3 * 1.5V AAA Batteries(Not Included) Model number: ST9617 Item weight: 78g/0.17lb Item size: 15 * 5 * 2.3cm/5.9*1.97*0.9in Package weight: 119g/0.26lb Package size: 19.5 * 7.5 * 3.5/7.68*2.95*1.38in NOTE: Please don't store it at high temperature or humidity, high concentration salt or sulfur environment. If don't use it for a long time, please take off the battery to prevent leakage of battery. Please allow 1-3cm differences due to manual measurement. Package List: 1 * Temperature and Humidity Meter 1 * User Manual(English)