Features: OOTD Type Portrait and Precision Alcohol Measurement Kit, includes 0-40% Breathalyzer, 40-70% Alcometer, 70-100% Alcometer and Thermometer. With wooden box, durable and easy to store breathalyzer and thermometer. Very easy and convenient to use with a thermometer, they need to be cleaned and dried before use. It is suitable for testing alcohol hydrometer for producing white and beer. Ideal use for home brewing, beer factories, chemical factories, laboratory and so on. Specifications:Material: GlassHousing Material: WoodColor: TransparentMeasurement Range: 0-100%Standard Use Temperature: 20C(68F)Quantity: 3 Pcs/1 SetNote:Please allow 1-3mm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Contents:1x0-40% Alcohol Meter1x40-70% Alcohol Meter1x70-100% Alcohol Meter1 x Thermometer1 x Alcohol Meter Temperature Conversion Table