tihuan Features: Digital LCD Thermometer For Aquarium Freezer H155 New Modeling simple, elegant, LCD panels inline connections, moisture-resistant, strong anti-interference, applies to refrigerated cabinets, display counters and other needs of temperature measurement and display of various equipment. Temperature range: -50~ 110°C Temperature display resolution: 0.1 Temperature measurement accuracy: ±1°C Power: two LR44 button battery-powered (include) Long probe line: 1 meter molded case probe Specification: Color: black Size: 47*28*14mm Weight 22g Package size: 60*70*20mm Package weight: 33g Note:It only suitable For Aquarium Freezer H155 New,not for Celsius Package Content: 1 x Digital LCD Thermometer 2 x LR44 button battery