1. Perimeter IR beam detector 2. Adopts DSP chip 3. environment self adjustment 4. Full function of self diagnose Perimeter IR beam detector:Features:1. Wired and bus system compatible, holographic spot real-time report2. Use the spherical high precision optical lens.3. Adopts DSP chip, patented multi-dimensional mistake-corrective code, true detection alarm technology4. The digital ambiguous ...