The FIREBEAM-70KIT140-AC Anti-Condensation Range Extension Kit is designed for use in applications where condensation and fog may be an issue. This Anti-Fog version of the 70KIT140 is suitable for distances of 70 to 140 meters. It includes a mid-range extension kit with a backing plate and three extra reflectors. To complete the setup, you will need to add the reflector from the standard kit to the mid-range kit using the screws provided. This kit ensures reliable performance in environments prone to condensation.