Aquarium Fish Tank Heater Cooler Thermostat Adjustable Temp Controller Digital Microcomoputer Heater Protection Product Specification: -Product name: microcomputer temperature controller - Input power: AC 110V-220V DC 12V DC 24V (Optional) - Temperature measurement range: - 50 ~ 110C - Temperature control range: - 50 ~ 110C - Temperature measuring accuracy: +/-0.2 C - Temperature control precision: +/- 0.1 C - Measuring input: NTC10K, 1 meters long waterproof probe - Input power: according to the classification of choice - Output power: according to the classification of choice - Output Type: Direct Output - Output Capacity: MAX 10A AC 110V-220V or DC 12V 24V - Appearance size: 60 * 45 * 31 mm Feature: - Heating/refrigeration modes, users can set the start/stop - temperature freely: with clear LED display for better readability - Easy to use: 2 or 3 buttons for easy operation, to set start temperature, stop temperature, corrected temperature, delay start time. - Work Modes: Heating ( start temperature is less than stop temperature), Cooling ( start temperature is above than stop temperature) - Applications: Waterproof sensor, can be used to detect water or other liquid non-corrosive. objects temperature, for aquaculture,ornamental fish and other How to set the controller? 1. Set the start temperature: Press Up button show the starting temperature; long press UP button the temperature display Flashing , press the UP or Down button to set the start temperature value. 2. Set the stop temperature: Press Down button show the Stop temperature; long press Down button the temperature display Flashing , press the UP or Down button to set the stop temperature value. 3.Restore factory settings: Long press the Up and Down bottons when the controller is powered, the display shows "888" and switch todetection temperature. 4. Start temperature < stop temperature = heating mode 5. Start temperature > stop temperature = refrigeration mode Package includes: 1 X microcomputer temperature controller with probe Shipping Itemswillbeshippedwithin1-3businessdaysafterweverifyyourpayment.VeryfastshippingtomakesurethatyouwillrecievedyouritemsASAP. Receiverinformation Ifneedchangeshippingaddress,plsleavemessageonorderin1days;otherwise,wewillshipyouritembasedonyourorderaddress,Iftheaddressisincorrect,thenthepackagewillbereturned,thenyoushouldpayfortheshippingcost.Somakesureitiscorrectandfullplease Deliverytime NormallyweprovideFreeShippingviaChinaPostAirMail.Itscheaper,butslower.Wewilldelivertheitemsin3workingdays(exceptweekends)afterreceivingyourpayment.Theparceltakes1-4weekstoreachyou. Thedeliverytimedependsonthedestinations.RemotecountriesandstrictCustoms(e.g.Brazil)willmakeitlongerthan4weeks,pleasebepatient.Ifyoucannotwaitforthatlong.Ifyoudidnotrecievedtheorderontime.thenwewillextandthedeliverytimeby10-30daysforyoutoprotectyou. Duty&tax PleasenotethatbuyersareresponsibleforallCustomsdutyandimporttaxesfeeinyourcountry.Wewillhelpyoutodeclaredtheitemwithlowervalue. Return&exchange Allouritemswillbecheckedandpackedingoodconditionbeforeshipping.Wewilltryourbesttosatisfyallourcustomers.Ifforanyreasonyouarenotsatisfied,youmayreturntheitemtousundertheoriginalconditionwithin7daysofreceiptforarefundoranexchange.Beforereturntheitem,pleasecontactusforthedetailedreturnexchangeinstruction.Wewillrefundyouafterreceivingthereturneditems.Buyerwillpayfortheshippingcostforreturningtheitems. Feedback Yoursatisfactionandcommentsareveryimportanttous.Ifyoulikeourproductsandservice,pleasetakeaminutetoleaveusapositivefeedbackand5stars.Wewillappreciateitverymuch.Ifyouarenothappy,PleasefeelfreetocontactusbeforeleavingaNeutralorNegativefeedback,wewilltryourbesttoworkouttheproblems.