Mag Card Access

while true do
reader = peripheral.wrap("back")
reader.setInsertCardLight = true
redstone.setOutput("right", true)
redstone.setOutput("left", false)
p1,p2,p3 = os.pullEvent("mag_swipe")
print("Card data: "..p2)
if p2 == "ACCESSCARD" then
redstone.setOutput("right", false)
redstone.setOutput("left", true)
redstone.setOutput("bottom", true)
sleep(4)
redstone.setOutput("bottom",false)
end
end