Description Features: Non-contact detection; motion target detection; independent transmitting and receiving paths for gain, single channel operation. The module has a transmit frequency of 24GHZ and can be widely used in commercial, industrial and text control; different frequency range standards are available, -UK, -F. Low power PHEMT oscillator. High sensitivity, high flexibility, low costs, acting distance 15M; not affected by temperature, humidity, noise, airflow, dust and light, suitable for harsh environments. Strong RFI resistances, stable performances, fast response and high sensitivity; small size and easy installation. Can penetrate non-metallic objects, such as wooden-plate, glass, plastics, fiber fabric, etc., unless intercept by concrete wall and metal plates. Specifications: Material: Metal Size: Approx. 2.51x2.51cm/0.99x0.99inch Model Number: CDM324 Transmitting Frequency: 24GHz Output Power: 5mW(harmless to human body) Detection Range: Long-range detection range 15m Note: 1.Strictly prohibited to work with electricity, in order to avoid action error, wrong connection, burned circuit or electric shock. 2.Avoid installation in hot and rainy places to prevent damage or affect the service life. 3.Better to install in place far from magnetic field to avoid malfunction. 4.Best to install in place far from the movement of conductors (such as fans) to avoid misoperation. Package includes: 1x Micro-wave Body Induction Module