Hard spherical interchangeable lenses with LP filter for best immunity against visible light
Optional black lenses with LP filter for industrial applications
Diffractive reflection mirror for creep zones
VLSI based electronics with movement speed spectrum analysis
Unique quad element pyro sensor
Bi directional temperature compensation
Height installation calibration free from 1.5m to 3.6m (5ft to 12ft)
Environmental immunity
Sensitivity adjustment
