Hello! American Diner restaurant was opened in Lahti in February 2016. The restaurant is a hamburger restaurant with an American atmosphere of the 1950s. These restaurants can also be found in Turku, Finland. Teknoware has supplied a Central Battery System and ESC 4 Emergency Exit Lights to the project. Teknoware's ESC 4 is a compact-sized, plastic bodied LED exit light. It can be mounted to the ceiling and wall. ESC 4 uses long lasting leds as its light source. ESC 4 family of luminaires are also suitable for damp spaces, because they are splash proof.