HQRP 5-Pack Coin Lithium Battery for Lexus IS350 2009 2010 2011, LS460 2009, LS600h 2009 Smart Key Fob Remote Transmitter + Coaster HQRP&reg; Five Lithium Batteries plus HQRP&reg; Coaster; Battery Voltage: 3V; Each lasts 2-6 months; 60 Days warranty!