Manua I flash mode Remove excess hair by shaving, epilating the area before treatment. Wear goggle to protect your eyes. Put the small plug in the device and put the adapter in the wall socket. Rotate the 'rotate button' to select the right light intensity for your skin tone. *Rotate the 'rotate button' to auto-start. Six modes: you can choose hand, leg, armpit, face, private and SR mode. *Please change SR attachment when you select SR mode. The head that can be rotated 180 degrees, you can rotate it if you need. Place the device at a 90° angle to ensure full contact with your skin. Press the flash button to release a flash.