About this item Package Content: 1 x Humidity Gauge. Measurement for: The hygrometer is for accurately measuring the humidity of the cigar or tobacco, etc. Adjustable: High precision and sensitive gauge. User adjustable. RH: Humidity is read as relative humidity (RH). Replacement: The hygrometer is a perfect replacement, and good for drilled holes in any humidor. Product Features: Measurement For: The hygrometer is for accurately measuring the humidity of cigar or tobacco, etc. Adjustable: high precision and sensitive gauge. User adjustable. RH: Humidity is read as relative humidity (RH). Replacement: The hygrometer is a perfect replacement, and good for drilled holes in any cellar. Features: Material: Alloy. Color: Gold. Measurement range: 0%-100%. Inner diameter: approx. 34.5mm (including rubber ring). Diameter: approx. 37mm. Height: approx. 9 mm. Contents: 1 humidity gauge.