This product uses single-chip control system + high-precision temperature probe, temperature control performance and temperature control accuracy is superior to similar . This product three windows design, value and stop value real-time display, and with intermittent work, timer switch machine and other functions, in the greenhouse cultivation, aquatic animal husbandry, room temperature control can be widely used, it is a good helper at home Type:Voltage Regulator Application:Computer Condition:New Product Name: High Precision Digital Thermostat Specifications Model: XH-W1411 Temperature range: -55 ~ +120 C Temperature measurement accuracy: 0.3 C Resolution: 0.1 C Temperature range: -19 ~ 99 C Control accuracy: 1 C Temperature probe: 1 meter waterproof probe Applicable environment: -25 ~ 55 degrees Humidity 20% -85% (no condensation) Output type: 10A Relay output Supply voltage: 220V color:Black Material:plastic Package Contents: 1 x Digital Thermostat Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.