PB-HF-KH Intelligent Quad Beams are designed specifically for use in our TA Series Beam Towers. Unique Quad beams are synchronised to maintain range and stability in severe weather, while rejecting ‘nuisance-alarms’ caused by birds, animals, or blown-litter. Requires TAKH ‘Quick-fix’ mounting brackets for fast, trouble-free installation; the beam units locate in vertical slide-channels in the TA tower spine, allowing easy and precise height adjustment. 4 x Synchronised high power beams Specifically designed for use in TA series Tower Enclosures Double coated electronics for demanding environments 4 x Selectable beam channels to prevent crosstalk Environmental monitoring circuit Dynamic auto-gain lock (AGL) Vivid internal body stickers aid beam alignment procedure Double modulation for unsurpassed light immunity Auto-gain control (AGC) 50,000 lux sunlight immunity