Outdoor infrared barrier (pc); 250 cm height; 100 m outdoor, 400 m indoor distance; 4 TX + 4 RX optical units; SMA: alignment with LED and buzzer; RS485; synchronize mode changeable; 8 parallel double beams; RS485 bus for AdeBus using; 10...30 V DC (150 mA) circuit supply voltage and 12/24 V (50 W) AC/DC heating supply; NC-C-NO relay for signalling alarm and C-NC for sabotage; size: 6*6 cm; compatible with Parvis SMA and Mana IR SMA