The digital thermo-hygrometer is battery-operated and provides display of room temperature, relative humidity and time on LCD display. Temperature and humidity sensors are in-built in the instrument. It has temperature measuring range -10°C to + 50°C with 0.1°C resolution and humidity range is 10 to 99% RH with resolution 1% RH and clock system 24-hour (12-hour). Additional features offered are: range selection (C or F), maximum and minimum record for temperature and humidity. The instrument also has option of auto resetting of minimum and maximum range button. It operates on single 1.5 V battery. It can be used as tabletop or wall mounted. This low cost hygrometer is ideal for measuring room temperature and RH in computer rooms, AC rooms, offices, labs and many other applications.