The Henning Lee Kinetic Instant Read Thermometer is a battery-free, eco-friendly solution for fast and accurate temperature checks in the kitchen or on the grill. Shake to activate and get instant readings on meat, fish, poultry, or baked goods. With no batteries to change, a bright digital display, and durable waterproof design, it's a smart and sustainable upgrade to your cooking tools. Measures temperature range from 58ºF to 572ºF.