To customers: life is full of surprises. Package Includes: 1 x Heating Rod Item Name: Heating Rod A: 10W, Celsius Features: Arbitrary to Set Temperature, Digital Display, Automatic Constant Temperature Color: Black B: 10W, Fahrenheit Material: Nickel Chromium Wire Size Details: Heating Rod: 5cm x 2cm/1.97" x 0.79" (Approx.) Heating Rod Cable Length: 100cm/39.37" (Approx.) USB Plug Cable Length: 30cm/11.81" (Approx.) Specifications: Featuring good heat resistance, good insulation and high heat transfer efficiency, you will find it can be more stable and reliable to operate. The length of heating rod is 5cm and the width is 2cm. The length of heating rod cable is 1m. The length of USB plug cable is 0.3m. Fish and turtle dual-purpose mini pocket design USB low-voltage heating rod is suitable for fish tanks, micro tanks, turtle tanks, horned frogs, and other occasions. Externally controlled electronic temperature adjustment, the adjustment accuracy is 0.5 degrees Celsius or 1 degree Fahrenheit, and the display accuracy is 0.1 degrees. It will be automatic power off when over 36 degree Celsius, and you can be arbitrary to set temperature, the range is 18 degree Celsius-34 degree Celsius. This fish tank heating rod is easy to be adjusted by the temperature, and you can use it to provide an appropriate constant warm environment for your fish to stay healthy. It is constructed of nickel chromium wire material. We strive for excellence. And hope you have a nice day! Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.