LCD Digital Aquarium Freezers Refrigerator 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 C ~ +70C Powered by 2 x LR44 button cell (not included) Cable length:approx.80cm. Dimension:46(L) X 26.6mm(W) X 14mm(H)