This Grade 3 detector features fully adjustable microwave range and digital PIR temperature compensation and active IR anti-masking...
Texecom Prestige AMDT plus Anti Masking Dual Tech£23.58
Texecom Prestige AM360 QD Ceiling Mount Anti Masking Quad
Omni-directional quad element pyro for true 360° coverage. Active IR anti-masking, Triple End-of-Line (T-EOL) signalling and ceiling tamper detection...£29.16