Attentions of Bonai LR44 Battery: 1.Please confirm the positive and negative poles of the battery before using. 2.Do not mix it with old batteries or different types of batteries. 3.Removed batteries if devices are not used for a long time. 4.Do not throw lr44 button batteries into the fire. 5.Keep batteries away from childrens reach. Note: Batteries have different models, Different models have different sizes. It is recommended that you open the battery compartment to confirm the original battery model, or see the manual to avoid buying by mistake! Specification: *Voltage: 1.5v *Size: 11.6*5.4mm *Shelf life: 3 Years *Package: 50pcs/1card Questions you might want to ask Q: What is the voltage of this battery A: The voltage of the Bonai LR44 button battery is 1.