Purchased about a year and a half ago, and used only 5 times. Since it has been used a few times, please refrain from purchasing if you are concerned about the condition. It's especially useful when you're worried about your infant's weight gain due to breastfeeding, etc.! Operation has been confirmed. The batteries are still inside from when it was used, so you can use it right away. (Since the batteries were in use, the remaining amount is unknown) Below is the product description: Accurately measure your baby's growth! Slim design makes storage and carrying easy. No worries about your baby falling! The measurement values are displayed on a large, easy-to-read LCD screen. A measuring tape is printed on the main unit, so you can measure height and other sizes with just this one device. The smooth shape and warm-to-the-touch tray won't hurt your baby, gently supporting your baby and supporting moms working hard at parenting. 【Product Description】 Size: 55 x 33 x 4 cm Weight: 1.63 kg Material: ABS Batteries: 4 AA alkaline batteries (sold separately) 【Product Specifications】 (1) Maximum weight: 20 kg (2) Minimum weight: 0.06 kg (3) Weight increments: 0.01 kg [= 10g] (4) Weight unit: kg (5) Overload indication: "0-Ld" (6) Low battery indication: "Lo" (7) Measuring tape maximum measurement: approx. 53 cm / approx. 21 inches (8) Weight scale accuracy: (error): 0-10 kg: ±20g 10-20 kg: ±30g