Premium-quality 12V alkaline battery provides reliable power for a range of devices. 0% mercury, cadmium and lead. Suitable for keyless vehicle security systems, home security systems, garage door openers, bluetooth headsets, remote sockets, wireless doorbells and other similar devices. Premium-quality 12V alkaline battery provides reliable power for a range of devices. 0% mercury, cadmium and lead. Suitable for keyless vehicle security systems, home security systems, garage door openers, bluetooth headsets, remote sockets, wireless doorbells and other similar devices.