QuadBand IR3 flame detector with 316 stainless steel housing with sensitivity of: Visible: 400 - 700nm Near infrared: 0.7 - 1.1 m Broadband infrared: 1.1 - 5 m. Requires 24V power. 316 stainless steel housing. Red color. Humidity range: 5 to 98% without condensation. Degree of protection: IP66. Cone of vision: 90º Horizontal + -45º from axis. Sensitivity: from 60m (very high) to 15m (low).