Are you looking for a professional, yet temperature controller for fish tank? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? , ! Our professional temperature controller must meet you needs. It is one of the for you. Features - Color: As shown. - Material: Plastic. - Size: About 8.4x6.9x3.4cm/3.5x2.71x1.33 inch. - Temperature measuring range: -50 degree centigrade - 99 degree centigrade. - Control Range: -50-90 degree centigrade (Adjustable). - Accuracy: ±1 degree centigrade (50-70 degree centigrade insulation). - Alarm Output: Buzzer. - Control Temperature Difference: 0.3-10 degree centigrade (Adjustable). - AC85-265V/DC12-72V. - Made from material, durable to use. - in temperature and temperature control in the aquarium. - By utilizinga a temperature controller, you can provide an ehvironment for the optimal temperature of your fish. - Application range is like home temperature control, farm, various cold storage, greenhouse, aquarium, etc. - This temperature controller measures and controls temperatures from-50 degree centigrade to 90 degree centigrade. Package list: 3 x temperature controller