Crane LK Liu wide three-phase power indicator

Crane LK Liu wide three-phase power indicator is designed for real-time monitoring traffic signal indication, gantry crane and other lifting equipment of the three-phase power supply in order to prevent adverse consequences equipment power phase caused. The product uses imported super high LED light-emitting diode is made in three colors (yellow, green, red) indicate a three-phase power supply, visual distance of about 400 m, life of more than one hundred thousand hours, better than other similar products.