Energizer 2016BP-2 3 V Lithium Button Cell Watch Battery - 2-Pack
. 2016BP-2 Features: Two batteries in one package provides you with twice power; Works great in many watches, calculators, keyless entry devices, handhelds, home medical devices and more; Supplies electronic devices with three volts of power; Compact enclosure makes installation easy for anyone; Energizer batteries provide electronics with power that lasts a long time.