... state, high shock or vibration-resistant7), Major reduction in power costs8), 120 degrees beam angle illumination9), No RF interference10 ... Long lifespan: 50,000 to 80,000 hours12), Low power consumption and high intensity13), Less 3‰ defective products14), Pure Copper ... boxes7), Back lighting for signage letters8), Swimming pools and fountains9), Holiday decorative lighting Package:Every 50 meters a ...