
It works but not quite accurate. For example, the register of boiling water is about 186-190. It's good for detecting cold air leaks from doors and windows, and after about 10 tries it actually gave me my exact temperature. A cat likes to chase a laser beam, but a cheap laser pointer is better suited for this.

π§ Swanson Speed Square Layout Tool & Blue Book Combo Pack: Perfect for Precision Measurements & Layouts with Bonus Combination Square Included!
3 Review

π Crescent EX6 2-in-1 Extendable Layout Tool - LSSP6: The Ultimate Precision Measuring Companion
3 Review

β Stainless Steel L-Square, Size 3-Inch x 4-Inch, Zona 37-434
8 Review

π CAMWAY 6 Inch Digital Caliper with LCD Display, Electronic Vernier Caliper, 150mm Stainless Steel Feeler Gauge, Plastic Digital Caliper Set for Zero Setting Inside/Outside Diameter, Depth, and Step Measurement Tool
3 Review