¡ñ 2, 4 ,6 ,8or10 beams selectable, vertical coaxial adjustment on each unit, fast, easy and accurate.

¡ñ Can adjust the angle of transmitter and receiver optionally.

¡ñ Perfect function in anti-cutting &short circuit, and tamper & pets immunity.

¡ñ Aspherical optical lens, stability and anti-wrong alarm have been strengthened greatly.

¡ñ All-weather outdoor usage, totally air-proof design.

¡ñ Anti strong light up to 50000 LUX, totally resistance to external interference.

¡ñ Easy installation, wire and bus system compatible.

¡ñ Adopts displacing diode, which has solved the problem of interference between near frequencies.

¡ñ Wire system and bus system compatible, holographic spot real-time report