If you need a precise temperature controller， this one will be a great choice. Apply advanced PID(thristry)temperaturecontrolling technology， it is precise in temp. controlling. Besides， it has functions: timing， day/night temperature !#!amp!*! time set， which will do great help to your pet keeping.<br> <br> <strong>Features:</strong><br> <strong>Apply PID(thristry) technology</strong> for precise !#!amp!*! stable temperature control.<br> <strong>Have 2 channels，</strong> one for temperature control， the other for timming output.<br> <strong>3 three main functions: </strong>heating， timing(can set 2 time period)， day/night temperature !#!amp!*! time set.<br> <strong>In-built real-time clock to control the light</strong>， simulating the environment of day or night.<br> <strong>4 kinds of alarms:</strong> probe fault alarm， high !#!amp!*! low temperature alarm， over temperature alarming.<br> Can <strong>be used in both wet and dry circumstances</strong> with <strong>water-proof sensor</strong>.<br> <br> <strong>Note:</strong><br> 1.Timming channel is to set times for lighting， showering， so you can plug lighting/showering equipments， controlling spray; Temperature controlling channel is to set day/night time !#!amp!*! temperature， so you can plug heater.<br> 2.Short circuit of the connecting load equipments(like heating pat/light) is prohibited， if so， the controller will be burned up.<br> <br> <strong>Specifications:</strong><br> Plug: EU Plug / UK Plug / US Plug(Optional)<br> Controlling Range: 0℃-50℃<br> Measuring Range: 0℃-50℃<br> Resolution: 0.1℃<br> Accuracy: +/-1.0℃<br> Time Unit: Hour in 24:00 Format<br> Relay Capacity: 10A/220V<br> Sensor: Water-proof NTC Sensor<br> Product Consumption: ≤ 3W<br> Input Voltage: 220V +/-15% ?50-60HZ<br> Control Load: Inductive Load; Resistive Load<br> Item Size:?<br> US Plug: 20.8 * 6.5 * 4cm / 8.19 * 2.56 * 1.58in(Main Body)<br> EU/UK Plug: 15.5 * 6.5 * 4.5cm / 6.1 * 2.56 * 1.77in (Main Body)?<br> 9 * 4.7 * 1.6cm / 3.54 * 1.85 * 0.63in (LCD Panel)<br> Item Weight: 487.5g / 17.2oz(EU Plug);? 532g / 18.76oz(UK Plug);? 609.5g / 21.49oz(US Plug)<br> Package Size: 23 * 13 * 6cm / 9.06 * 5.12 * 2.36in<br> Package Weight: 594g / 20.96oz(EU Plug);? 638.5g / 22.52oz(UK Plug);? 715g / 25.22oz(US Plug)<br> <br> <strong>Package list:</strong><br> 1 * Thermostat Timmer<br> 1 * English User Manual