Safety is important for building owners, and therefore having proper emergency lighting in place is a major concern for them. The Emergency twin-head Pro EM120C offers an easy solution for stand-alone emergency lighting, with non-maintained mode and self-test function. The lithium battery (LiFePO4) has many advantages over nickel-based products, as it has a longer lifetime, better discharge behaviors, is produced in a more welfare friendly way and can be recycled.