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• The numbers are printed on the glass surface to create an unusual look.
• The glass surface is printed from the inside, so there is no need to worry about it coming off.
• It is laser engraved with a scale that allows you to easily know the pulse for about 1 minute by taking 20 pulses with a case side memory.
• The carabiner makes it easy to attach to the back of a house call, to a wagon, or to a belt holder of pants.
• The dial has a light storage, so if you expose it to light, it will glow in the dark.
• If you bend the belt part to the back, it becomes a stand, so you can keep it on the desk.