From the product description, check product page for current description, price and availability:

• 【Extreme Accuracy】: The Dr.meter Fishing Scale can weigh both small and large catches alike, from a mere 0.2 lbs. to a jaw dropping 110 lbs.! The state of the art weight sensor provides precise measurements and can convert from lb. to oz. or kg.
• 【Bonus Built-in Tape】: Maybe you also want to know the length of your catch besides weight. We’ve got it covered! The included measuring tape is ideal for measuring items in either cm or ft. (up to 3 ft.).
• 【Stainless Steel Hook】: Crafted from premium stainless steel, the large and durable hook concealed in the back slot is convenient for you to hook up and remove from fish’s mouth, luggage and everything in between.
• 【Endless Possibility】: The Dr. meter Electronic Fishing Scale boasts the specialized functions like weighing unit conversion, data lock, and auto-off function, definitely good news to the amateur and avid fishermen alike!
• 【On-the-go Tool】: Go easy on your hands even after long-term use. This lightweight and portable comes with a built-in carrying strap for easily carrying and using. Better yet, we’ve included 2 AAA batteries for your convenience.

From HBF: Make sure the components you use are compatible and rated for your intended application.  Contact manufacturer with questions about suitability or a specific application.  Always read and follow manufacturer directions.