Specifications: Chemistry: Alkaline. Voltage: 1.5 Volts. Dimensions: 6.8 mm x 2.1 mm. Ideal for the following applications: Laser pointers. Watches. Cameras. Alarm transmitter. Rescue heroes. Children Books. Caluculators. Blood Pressure Instrument. Sugar Level Detectors. Many Others. Equilavent Batteries: LR60, LR620. SR60, SR60L, CX60. 621,SR621, SR621SW, S621E, R621, TR621, l621, lr621W. 364,364A, 364B, SP364, V364, D364, GP364. 531, 620, 164, 602. G1A. SB-AG/DG. 280-34. T battery.