Made of grade material, this wrist type durable and practical to use, featuring lightweight and compact design, very portable to carry, which makes you more convenient. The design is simple, and the surface is smooth without burrs. Anytime, Anywhere Observe physical health. It is also an your friends.FeaturesColor: As ShownMaterial: ABSSize: 8.00X7.00X7.00cm3.14X2.75X2.75inBattery: 2 x AA Battery(NOT Included)Made of highclass ABS materials, high end material, suitable for longterm use.Large numbers on the screen makes it easy for the elderly to read, very convenient.This portable wrist design measure device is small and light, easy to store.Wide use range, suitable for home use. Convenient to track your health every day.It is the best grandparents, parents and they will need this practical gift.Package list: 1 x1 x Storage Box1 x English User Manual1 x Packing Box