Package Content: 1 x Sticker Thermometer
Product Size: 13 x 2 cm/5" x 0.8"(L*W)
Compact structure, small volume, refined aesthetic shape.
This product uses the material that will appear different colors in different temperatures from black to blue usually.
Peel off the back wax paper exposing adhesive sticker, paste it on the exterior aquarium.
What should arouse your attention is that be sure to stick it below the water level; the lower, the better.
WARNING: California Residents - Proposition 65