Boyu BT-05 Digital Sticker Thermometer For Aquarium Fish Tank

Easy to install: just peel off the transparent protective film on the back and front of the sticker and attach it to the outer wall of the aquarium

• The color of thermometer will change around the scale in accordance with surrounding temperature.
• Suitable for testing water for aquarium fish tank.
• Self-adhesive backing is for convenient sticking to the exterior of fish tank.
• Compact, portable and space-saving in use.
• Easy to install and stick on.