Powerful 9-volt battery. Environmentally friendly, no toxic metals. Made to the highest quality specifications. 100% free of lead, cadmium, and mercury. Ideal for smoke detectors, garage door openers, clock radios, remote control toys, or any device that runs on a 9-volt battery. 10-year shelf life. UL (Underwriter's Laboratories) listed. Type: 9V Battery Power Type: Lithium Capacity: 1200 mAh Voltage: 9V Warranty: 10 Yr. Shelf Life.