● Adopts unique spherical Fresnel lens, more powerful in light focusing 

● New filtering structure to multi-layer sundry lights, stronger capacity of anti-interference 

● Multi-grade thundering-defending system, more dependable for outdoor usage 

● Super stable digital two infrared beams with frequencies and pulse synchronization 

● Fully airproof structure, effective waterproof, dustproof and insects-proof 

● Beams response time adjustable, fit for various environments.