Bulk carded pack of 5 X CR2450 coin/button lithium batteries - 3V Diameter X Height : 24.5mm X 5mm Capacity: 610mAh Features: Shelf life: up to 10 years Performs in extreme temperatures Child Resistant Blister Packaging Replacement for:CR2450N, DL2450, ECR2450, BR2450, BR2450-1W, CR2450N, KCR2450, LM2450, 5029LC Ideal for the following applications: Keyfobs, Laser pointers, Watches, Cameras, Alarm transmitter, Rescue heroes, Children Books, Calculators, Blood Pressure Instrument, Sugar Level Detectors, Many Others Warning Keep Out Of Reach Of Children. - Swallowing may lead to serious injury or death in as little as 2 hours due to chemical burns and potential perforation of the oesophagus. - Immediately see your doctor. - Keep in original package until ready to use. - Dispose of used batteries immediately. - Risk of injury due to fire, explosion or leakage. - Do not disassemble, charge, crush or expose to fire or high temperatures. What's in the box 1 x Card of 5 x CR2450 batteries