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The iSeries Wireless EX-35Ri Indoor Passive Infrared Detector from Optex comes with an Inovonics EN1941 transmitter and battery (pre-installed). The detector incorporates the patented multi-focus technology into a spherically designed lens, which eliminates sensitivity problems caused by changes in detection patterns. You can select between precise wide angle and long range coverage, as well as multi-level or pet alley detection patterns.
Inovonics EN1941 and pre-installed battery
Selectable, dual-purpose spherical fresnel lens for wide angle & long range detection
Selectable multilevel and pet alley detection patterns