Tekneka 5040 is a Palm-type Indoor Thermo Hygrometer with highly accurate measurements of temperature from -50 to 70°C and humidity from 10 to 99%RH. It has a 2.7-inch display with large digital fonts which allow easy-to-read displayed values. This model shows low and high values of both temperature and humidity. It contains a push button for easy switching of temperature units from °C to °F. The 5040 has an extremely sensitive humidity sensor to show comfort zone (dry, comfort, wet), represented as face icons to identify environmental conditions and stand for the tabletop with a magnetic backing to fix the household appliances. FEATURES ● 2.7-inch display with bigger numeric values● Large numbers will allow you to read easily● Extremely sensitive humidity sensor with comfort zone indicator● It will show low/high readings of both temperature and humidity● Quick temperature unit °C/°F change button● Compact and convenient to handle under any environmental conditions● The magnet on the back can be attached to any metal surface● It will display face icons for dry, comfort, and wet zone APPLICATIONS ● Widely used in Pharmaceuticals, Laboratories, Hospitals, Production Facilities, Food Industries, Quality Inspection, Warehouse Storage, Home, and Office Environment Monitoring. PACKING INCLUDES ● 5040 Digital Indoor Thermo Hygrometer● 1 x AAA 1.5V Battery● User Manual