The CR2032 remote control key fob battery has a rated capacity of 240 mA hours, which is significantly more capacity than other unbranded batteries. These last a long time even with daily use and were cheaper than in-store. NOTE: Please refer to the product description below to confirm compatibility, the keyless remote is not included. Avoid a service appointment by replacing the battery for your keyless remote yourself. Long-lasting durability, car key fobs can suddenly run out of battery and then you won't be able to start your car. Having a spare battery can really save your or someone else's day. Having spare batteries on hand when you need them is always very practical. Wide Temperature Range - These 3v cr2032 remote control key fob batteries work in cold temperatures as low as -30 C and as warm as 60 C, durable outdoor temperatures for door remotes and garage remotes. Includes a tiny Phillips screwdriver to help you easily loosen the small screw in your car key fob, also comes with a small prying tool to pry off the key shell without damage and scratches.