Wood Sauna Thermometer & Hygrometer Wall-Mounted Spa Accessory Mechanical No Battery Required - For Family Hotel Sauna Steam

Battery Included : no High-concerned chemical : None Theory : Bimetal Thermometer Power Type : None Certification : NONE Model Number : X23CK1354K04 Origin : Mainland China Max Measuring Temperature : 120°C & Above Style : Wall Hanging Is Smart Device : no Use : Indoor Power Source : None Display Size : 1.9 Inches & Under Display Type : ANALOG