Vktech Fridge Aquarium Dedicated Sensor Electronic Digital Fish Tank Thermometer 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~ 110C Temperature display resolution: 0.1 Power: two LR44 button battery-powered (exclude) Long probe line: 1 meter molded case probe