Neither the lasers or the electrified windows on Toupee Terrace can be turned off. Once you have rescued all three missing spies, you will get the ultra-vision goggles and you will see the lasers.
(see related question)
There are no switches, and no underground locations on Spy Island.
You can't disarm them, only go by them when they are turned off. You can detect when they turn off with your laser detector goggles from the 3rd spy.
The "Ultra Vision Goggles" on Spy Island are used to see the lasers that turn on and off. You get them from the third rescued spy. (see related questions)
The electrified windows on Toupee Terrace turn on and off at regular intervals, so you can climb the windows as they go on and off. You can only get past the lasers after you get the Ultra Vision Goggles from the third rescued spy.
Take the Laser pen and go to the electrified building on Toupee Terrace. Climb the windows by jumping when they turn off. Use the laser pen to cut the attic bars and save the 2nd spy.
it turns off by its self
You have to take it off someone in spy island
You go to BAD HQ, which is on the furthest right side of the entire town. Now that you can see lasers, you can dodge them and see when they turn on and off.
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No. If you turn off the blood in Dead Island, Then you will loose a life.
The electrified windows on the building at Toupee Terrace turn on and off at a regular interval. Jump to a window when is off, then jump to another "off" window before the power comes back on. You can make you way to the roof window to rescue the 2nd Spy. (You will need the Laser pen from the 1st rescued spy to cut the bars. See related question.)