Stick On Thermometer Strip, Digital Temperature Display for Fermenting, Brewing, Wine, Beer, Kombucha or Aquariums. 50-90F (10-32C) Adhesive Sticker 10 Pack (10)
Brand: Propagate-Pro
10 pieces, Dimensions: 4.75 x 1.0 inch / 120 x 25 mm, Measuring range: 10~32 Degree C (50~90 Degree F)

Adhesive on the back, just peel off the tape and attach to the outside surface, One time use only, Washable. Once removed they come apart and cannot be reused

Color Changing Highly Accurate Temperature Readings.

Also Available in Horizontal Version, Search for Propagate Pro Horizontal Temperature Strip or Item# B07DFW3Z9M
10 Piece vertical Set in Resealable Bag - Also in Horizontal Version B07DFW3Z9M
Dimensions: 4.75 x 1.0 inch / 120 x 25 mm
Measuring range: 10~32 Degree C (50~90 Degree F)
Adhesive on the back, just peel off the tape and attach to the outside surface, One time use
Color Changing Highly Accurate Temperature Readings