LUJINXUN 36/48V 10mm Tube diameter U Shape Heating Element 110mm Length 500-1000W 304SUS Fully Sealed Waterproof Specifications: Product Name: Fully Sealed Submersible heating tubeMaterial: 304SUS + water-resistant silicone wireVoltage: 36/48VWattage: 500-1000WTube Length: 110mmTube Diamter: 10mmWire Length: 1MPackage:1PC x heating tube 01/ Application:fish tank heating, small water tank heating, warmth preservation precision equipment liquid heating, car water cup boiling, exterior boiling water, pupil medical study experiments, etc.../How to choose the heating pipe?The delivery energy must be more than the ability of the electrical heating tube contrast between verbal exchange and Direct current,positive and damaging poles used energy materials are: battery,Battery Transformer, Switching calories supply, Dynamo, solar energy/Kindly reminder:Low voltage electric heating tube strength is small. It can't meet the heating of a large quantity of liquid/selection of line length:Silica gel copper cored wire&;s water-resistant and hot temperature resistance, the cord size would be custom in line with prospects request. Instructions for use1 installation please use multimeter to measure the power. If there is no issue after measured,then can be installed. lf there's no power, please contact with us to measure the power: Pleasenote: Under the placement of insulation,the International traditional for the heater strength accept allowance -10%~+5% you care about it, please don't make order. )3 power up, warm temperature pipe heating zone needs to be installed the water, strictly limit dry burning. SHIPPING NOTICEAll programs from our shop are registered site: 17track/en, PAYMENTVISA,Mastercard,WESTERN UNION,Maestro,Bank Transfer,QIVI WALLET,WebMoney,Boletol,PayPal WARRANTY SERVICEDelivery Time:Ship out inside 3-5working daysAll emails could be replied inside 24 hours REFUND or RESENDIf goods now not obtained or damaged,please cooperate with us to take images when you get hold of it, then present us the evidence,we will refund or resend a brand new one to you,thanks FEEDBACKAny questions please be happy contact with us before you leaving a feedback,we will attempt the best which will provide help to resolve it Immediately.