5Pcs C/F Discolor Aquarium Number Sticky 4-36 0-50 Stick-on Thermometer Fish Tank

Label:Yes Package Includes: 5pcs Temperature Sticker Color: Black Special Feature: Dual Scale, Stick-on Material: Paper Size: 1.8*13cm(0.71*5.12in), 2*13cm(0.79*5.12in)

Digital color-changing fish tank thermometer sticker : The Digital Color Changing Fish Tank Thermometer Sticker provides real-time temperature visualization with an easy-to-read color shift, ideal for monitoring aquarium conditions at a glance. Sticky scale design for effortless placement: This strip indoor thermo sticker features a strong adhesive backing, allowing secure attachment to glass or plastic surfaces without tools or installation hassle. No battery required for continuous operation: Powered by ambient temperature changes, this no battery design ensures long-term functionality without the need for replacements or charging.