Practical 72mm Round Thermometer Ring Surface Hygrometer Humidity Meter Gauge No Battery Needed for Home Room Office

7.2cm Gold Ring Surface Hygrometer Humidity Meter Gauge - No battery needed

Descriptions: Material:Aluminum alloy outer ring, plastic bottom for case, arched plastic lens, golden aluminum dial, metal hands. It can be used on a variety of labor day gift panels. The back of the product is equipped with a PE elastic ring for product for head inlay. No battery needed (Mechanical Gauge)

Specifications: Product size: D72*TH34MM Measuring range: 0~ Measurement accuracy: +/-7%RH (40~70%RH)

Package include: 1 * Hygrometer 1 * PE Elastic Ring