This compact sign with LED display can easily be mounted on wall or ceiling thanks to its snap-fit design. The 2 built-in LED mini lights enhance the brightness of the sign when needed. The 3.6 V nickel-cadmium battery is equipped with a low voltage disconnect option which prevents an overdischarge. The lock-out prevents discharge during installation. This product comes with 2 faces, back plate and canopy. Having a dual voltage input capability 120/347 VAC 60Hz, it is compliant to all provinces legislations (except in Alberta).