Features: This 2-in-1 thermometer & hygrometer is a great way to monitor the humidity and temperature in your sauna. Handcrafted from solid metal with a fine and clear dial, making the scale easy to read. High precision and comfortable color differentiation, suitable for modern home decor. A great way to keep track of humidity and temperature in your sauna. Often used to measure temperature and humidity in houses, offices, workshops, schools, markets, warehouses, etc. Description: Temperature Measurement Range: -30~50 ℃ (-20~120 ℉), Accuracy: +/-2 ℃ Humidity Measurement Range: 0~100%RH, Accuracy: +/-5%RH (40~70%RH) Material: Alloy aluminum outer ring and case aluminum bottom housing, PVC film dial, aluminum pointer, plastic lens Diameter: 58mm / 2.28inch Color: White & Silver Quantity: 1 pc Note: 1. Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before you bid. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Temperature Humidity Gauge Note: Conversion: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!