Upper Arm Monitor Aneroid is a 100% Genuine Made in Japan Product. Due to Copper mechanism inside this watch gives you accurate and long lasting service at-least for 5 year without any interruption. Superior quality of product Made By Japan Synthetic rubber arm bag and other parts. Smooth valve to operate Wrap Type Arm Cloth, You can wrap the arm cloth teenager, adult, and healthy patient. This dial monitor not required any maintenance or any servicing for 5 years. Only the rubber parts need to replace after 1 or 2 year if required.