Penn Plax Reptology Hygrometers monitor relative humidity (from 0-100%) in reptile and amphibian terrariums. The hygrometer features adhesive backing for fast mounting, and a large, easy-to-read dial that lets you assess your pet's habitat conditions at a glance.

• Monitors terrarium humidity levels
• Measures relative humidity from 0-100%
• Easy-to-read dial
• Adhesive back allows easy mounting

Directions: Remove paper backing from self-adhesive sticker. Press firmly onto clean, dry surface.