1. Wired system and BUS system compatible, holographic spot real-time report.

2. Unique DSP chip, patented multi-dimensional mistake-corrective code, true detection Alarm technology.

3. Adopts offset parabola highly accurate optical focussing mirror.

4. Two group of individual fine tuner, built-in optical collimating mirror.

5. Unique displacing receiving, transmitting parts with big power, power surplus rate Reaches 90%.

6. Full function checking, self-adaption in environment and trouble locking.

7. Patented balanced checking, unique digital filtering,

8. Adopts solid relay with long usage, non-contact, low voltage and little power consumption