How do I make a specific team able to use a ClickDetector?

Use the logical operator “or” in the conditional statement.

script.Parent.Button2.ClickDetector.MouseClick:Connect(function(plr)
	if DoorStatus == "Closed" and Debounce == false and plr.Team == Teams["Delta Division"] or plr.Team == Teams["TeamName"] then
		Debounce = true
		Door.Button2.Click:Play()
		DoorMain.Sound:Play()
		Open()
		wait(1)
		DoorStatus = "Opened"
		Debounce = false
	elseif DoorStatus == "Opened" and Debounce == false and plr.Team == Teams["Delta Division"] or plr.Team == Teams["TeamName"] then
		Debounce = true
		Door.Button2.Click:Play()
		DoorMain.Sound:Play()
		Close()
		wait(1)
		DoorStatus = "Closed"
		Debounce = false
	end
end)