METAL SHELL: Sauna thermometer dial is high temperature resistant, thermometer and hygrometer, stainless steel protective cover and magnesium alloy dial, which will not fade after long-term use. CLEAR SCALE: Intuitive and easy to read sauna thermometer, Enlarged character design, easy to view, Temperature measurement range 0~120°C, Humidity measurement range 0~100% RH NO BATTERY REQUIRED : sauna temperature gauge drives purely physical induction temperature and humidity, ray pointer, sensitive needle movement, accurate monitoring WALL HOLE DESIGN: The wall hole on the back can be hung on the wall, saving space, distinguishing high precision and color comfort, arched glass surface. APPLICATION: Perfect for the sauna. can measure temperature and humidity, 2 in 1 function Raw material: all metal Temperature measurement range: 0-120°C Accuracy range: 2°C Humidity measurement range: 0-100% RH Accuracy range: 2% RH Diameter size: 12.5cm Usage: Wall Mounted [PACKAGE CONTENTS] 1 * Sauna Room