Politec Sandor Plus 9315 S RX IR barrier receiver tower (1 pc). 1.5 m height; 400 m indoor, 100 m outdoor distance. 3 double beams: 3Rx, And/Or, vertical ±15*, horisontal ±90* alignment. Fog disq., lowest beam in/out, cut time setting. IP54, -25...+65°C, 12VDC pow.supply, 24VAC for heating.