The FLX-S-DT is Optex's latest indoor Dual-tech PIR sensor with new to the market, innovative pyro sensor with human catch element for creating human-sized detection areas and superior pet tolerance. Equipped with a rotatable lens FlipX sensors allow an easy switch from wide to narrow detection, meaning that you can do twice as much with a single product. It's the perfect choice for everyday intrusion detection in residential or small commercial sites and can cover various installation fields. The FLX-S-DT model features dual technology (PIR and microwave detection) for improved performance in challenging indoor environments.