Duracell® Specialty High-Power Lithium batteries are designed and developed to offer reliable, long-lasting power for your specialty devices such as digital cameras, flashlights, motion detectors, security sensors, thermostats and much more. These batteries are guaranteed for 10 years in storage, so you can be confident these batteries will be ready when you need them. From storm season to the holidays, Duracell® is your trusted battery brand. Battery Type: Lithium; Battery Size: CR2; For Use With: Cameras; Flashlights; Hands-Free Equipment; Voltage: 3 V.