In tune with the most advanced remote control apparatus, High Voltage Alkaline batteries are especially built to conform to the highest standards of performance excellence in remote controls for cars,keyless entry systems, photo equipment and other electronic devices. To give maximum endorsement, they hold a stable operating voltage throughout use. 23A size 12 Volts * Suitable for use in some car remote controls, keyless entry systems, photo equipment, door bells and other electronic devices. * Long lasting power * For Wide range of models * 0% mercury added