Profile: IST International Ltd. is manufacturer of mechanical and electronic devices and systems. Our product line includes safety warning traffic light, remote distance traffic light, advanced changeable message sign and remote flashing beacon system. We provide electronic, micro controller & mechanical devices and systems. Our safety warning traffic lights are operated manually or automatic mode. These flaggers are assisted with other units. These flaggers are needed to control two units from the middle of a work zone. They are used to aid traffic approaching dangerous intersections as a safety assist sign red or yellow flasher. Our solar power light systems are used in low power LED signal lights and solid state electronics. It will last for will last several shifts with only one battery.