PYROFLEX**infrared detector and advanced HighBar**
intruder detection work together to avoid effectively false alarm of rushing and jogging.
-Wireless detector,low current,long life of battery.
-Sensitive tamper switch.
-Precise factory calibration for dependable.
-World-class immunity to RF interference.
-Look-down detection directly below the sensor to catch wall creeping intruders.
-Tightly-mated bug guard to protect the sensor optics from insects,spiders and dust.
-Selectable processing sensitivity for different environmental requirements.
U.S. Patent No.:7,042,134 7,141,910;British Patent No.: GB 2 427 270;China Patent No.:ZL 2005 3 0146970.4