A full bank of SimuSun lights in a family apartment
“
Being underground got you down? Smile! Our SimuSun Lighting mimics the feeling of being outside with only a fraction of the sunburn potential.
”— Vault-Tec exhibit messagesSimuSun Lighting is a type of lighting used in Vault-Tec Corporation Vaults, designed to mimic sunlight as close as possible to counteract the long term effects of isolation without access to natural light.