I am an Chinese seller,providing customers with high-quality and low-cost products. The types of products we sell include Home & Kitchen,Health & Beauty,Fashion Clothing,Electronics,Watches & Jewelry,and so on. We keep up with the most popular fashion trends. If you like our products, please follow us and become our followers and fans. Sincerely at your service .Please feel free to contact us if you have any questions.Specifications:Submerge probe into fish tank to measure water temperature (Submerge probe only, do not submerge thermometer in water).Easy to carry and convenient to use.LCD display, easy to read.Applies to refrigerated cabinets, display counters and other needs of temperature measurement display equipment.Type 1: Voltmeter AmmeterWorking Current: ≤ 20mAWorking Voltage: 4.5 - 30V DCDisplay Screen Size: 0.28"Measuring Range: DC 0-100V 0-10AMinimum Resolution (V): 0.1VRefresh Rate: ≥100ms/TimMeasure Accuracy: 1% (± 1 Digit)Minimum Resolution (A): 0.01AOperating Temperature: -15 to 70℃Working Pressure: 80 to 106 kPaRed LED Display: VoltageBlue LED Display: CurrentSize: 47mm x 28mm x 16mm/1.85" x 1.10" x 0.63" (Approx.)Notes:The maximum input voltage can not exceed 30V, otherwise there is the danger of burningDue to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Included:1 x Voltmeter AmmeterType 2: Digital LCD ThermometerTemperature Display Resolution: 0.1Material: Plastic ShellTemperature Range: -50℃ to +110℃Powered by: 2 x LR44 Button Batteries (Included)Features: LCD Display, Easy to Use, Useful, DigitalSize(L x W): 46mm x 26.6mm/1.81" x 1.05" (Approx.)Cable Length: 2m/78.74" (Approx.)Notes:It only suitable for Celsius, not for Fahrenheit.Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Digital LCD Thermometer2 x LR44 Button Batteries