You are to evaluate the efficacy of a dual technology sensor. In your discussion present Dual Technology Detectors, their underlying principles, and strengths and vulnerabilities, with a concluding recommendation of their efficacy.

Your task is to:

1. Present Dual Technology Detectors:

a. Discuss their underlying principles;

b. List their strengths;

c. List their vulnerabilities; and

d. Provide a recommendation on their use.