Features: brand new and high quality flatness range: 0.001-3000mhz. This Noise Source Tracking is made of brand new and high quality material, you can use this good durability Noise Source Tracking for a long-term. The Simple Spectrum External Tracking Source is designed with low power consumption and low heat to provide an economical use and stable use. The power supply of the module is for DC 12V/ 1A to provide a stable work condition. It features with a low power consumption and low heat to ensure a stable and safe use during the working process. Exquisite workmanship, high stability, good results. Simple design,easy to use.Directly replace the original tracking generator. Specifications: Item: Noise Source Flatness Range: 0.001-3000mhz Power Supply: DC12V/ 0.3A-1A Power:dc12v/0.3-1A Output Interface: SMA Output Connect: SMA Material: Metal Color: Black /Silver Size: approx 75x71mm/2.95x2.79in Package Includes: 1 PC x Noise Source Tracking Spectrum note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.