Sentrol 2205A‑L Extra Heavy‑Duty Surface Mount Roller Door Reed Switch, Aluminum Housing, 3" Gap, NC Output X2 and IP67 weather resistance

and IP67 weather resistance

and 32x optical zoom

monitor addressing

DHCP Server

Sentrol 2205A‑L Extra Heavy‑Duty Surface Mount Roller Door Reed Switch, Aluminum Housing, 3" Gap, NC Output X2 and IP67 weather resistanceSentrol Overhead door floor mount extra heavy duty magnetic contact with aluminum housing, closed loop, wide gap, 3 in. gap size, 3 ft. stainless steel armored cable Model : 2205A L Reed Switch Features Miniature, Low profile Design Stainless Steel Armoured Cable for Added Security, Reliability Wide Working Gap for Overhead Doors Small Size Less Likely to be Damaged by Forklifts Aluminum Bar Stock Resists Corrosion in Harsh Environments Mounting