? After-Sales Service:If you have any questions, please feel free to contact us. We are committed to providing the highest quality products and outstanding customer service. ?Conveniently Package: Single packed, each battery can be storaged deperately. ?900mAh:Long lasting CR2477 capacity,24 7.7mm dimension, 3V voltage. ?Wide Applications: watches,lasers,Garage Opener,LED tea light,calculators,car remote controls,toys and so on. ?Repalced battery for Sensor Push probes,room temperature sensor,motion sensor,motioned detector, vehicle travel dongles,smart home peripherals,Spark Hydrate 2,Hidrate 3,hidratespark3.