Fullbright

local Light = game:GetService("Lighting")

function dofullbright()
    Light.Ambient = Color3.new(1, 1, 1)
    Light.ColorShift_Bottom = Color3.new(1, 1, 1)
    Light.ColorShift_Top = Color3.new(1, 1, 1)
end

dofullbright()

Light.LightingChanged:Connect(dofullbright)