Durable Analog Hygrometer Humidity Meter Mini Power-free Indoor Outdoor 2y / This Durable Analog Hygrometer Is Excellent for Use in Incubators, Brooders, Aviaries and Cages Brand new and high quality. This durable analog hygrometer is excellent for use in incubators, brooders, aviaries and cages. They are widely used in greenhouses and any other indoor / outdoor areas, or simply for home us An easy to read water resistant unit that is accurate and durable. Material: Plastic., Humidity Range: 0% - 100% 1x Power-Free Indoor Outdoor Humidity Hygrometer