Feature:1. ENVIRONMENTALLY FRIENDLY ABS: Temperature humidity gauge is made of environmentally friendly ABS material, with high stability and toughness, durable.2. INTELLIGENT DETECTION: Embedded hygrometer can measure temperature and humidity, and intelligently detect the quality of storage environment, C and F can be freely switched.3. EMBEDDED DESIGN: Insert digital hygrometer adopts embedded design, with rubber ring, the product embedded more stable. Compact body, does not occupy space.4. METAL FRAME DESIGN: Temperature humidity meter is designed with metal frame, the golden frame is bright and shiny, showing high end elegance.5. SCOPE OF APPLICATION: Digital hygrometer is suitable for cigar boxes, storage cabinets, etc. It is recommended for cigar box temperature and humidity detection.Specification:Item Type: Insert Digital HygrometerMaterial: ABSBattery: 1 x CR2032 Button Cell 240mAh (Included)Gross Weight: 45g/1.6ozOuter Frame Diameter: Approx. 50mm / 2inOpening Diameter: Approx. 44mm / 1.7in.Package List:1 xInsert Digital Hygrometer1 x Rubber Ring1 x Instruction BookNote:Please allow some error due to manual measurement.