Battery Operated ( AA Battery) 2 Keys and 2 Remote Control AND Can Operate From a Distance of 30 m Designed for parking sites, garage, crossings, road entrance and exits, and more High pressure resistance: Curved design and thicker steel shell make it have a good performance in pressure resistance Fully waterproof with alarming apparatus, alarm sound for unauthorized operation or exterior force trying to put the arm down Intelligent Remote Sensing with operating Range 30-50m
