This is a kind of quality temperature controller, beautiful and quality pmma panel, with color LCD display, the temperature will be displayed clearly. Equipped with both heating and cooling functions and with corresponding icon indicated on the display. Equipped with real time clock function, which is design for control the illumination. Waterproof design, perfect for aquarium can and breed aquatics use. You can have a try. Specifications: Name: Temperature Controller Material: PMMA Model: TC-320 Plug: EU/US/UK Plug (optional) Temperature measurement-range: -40°C to 100°C Temperature control-range: 16°C-40°C Resolution: 0.1 Measuring accuracy: ±1 Input: 1 * NTC s-ensor Output: 2 * 10A relay output Operation environment temperature: -10°C to 60°C Operation environment humidity: 20-85% Power consumption: ≤3W Item size: 157 * 69 * 51mm / 6.18 * 2.72 * 2.01in Package size: 230 * 130 * 60mm / 9.06 * 5.12 * 2.36in Package weight: 760g / 1.68lb Packing List: 1 * Temperature Controller