Deli Wall-Mounted Thermometer Hygrometer, Battery-Free Simple Home Temperature Gauge, Indoor High-Precision, White, 9013S

Mechanical sensing, no battery required

Clear and large scale markings with easy-to-read text

Red kerosene liquid indicator, mercury-free, visually intuitive

Flat panel design with comfortable hand feel

Multiple ventilation holes for sensitive humidity detection

Hook design with back panel for easy wall mounting

Suitable for various indoor environments including homes, offices, hotels, restaurants, shopping malls, and factories

Monitors temperature and humidity to help maintain comfortable and healthy indoor environments

Helps prevent health issues related to improper temperature and humidity such as eczema, colds, fatigue, and respiratory diseases

Upgraded appearance with bright red kerosene liquid

Wide application range

Accuracy may decrease when humidity is too high or too low

Humidity accuracy applies within 30%RH to 80%RH range