(Detect range : 20m / 35m / 70m / 90m for outdoor use)Digital Infrared Twin Beam Sensor
* Indoor/Outdoor use (Wall mount or pole mount).
* Protection range 20m(LK-20HD), 35m(LK-35HD),
* Powerful twin beams of pulsed infrared eneray to reduce
* Immunity to infrared interference from sunlight and other
* Built-in Viewfinders for optical axis adjustment, both
horizontal and vertical adjustment provided at both the
receiver and transmiter with alignment and signal strength
LED at the receiver to confirm optimum adjustment.
* Blocking time adjustment provided for specific target
movement rate detection (50~700msec)
* Tamper protected.
*IP55 waterproof rating