100% brand new and high quality Features: Made of fine quality material, has a long service life. Easy to install and use, improving hands-on ability. The measurement range is 10KHz to 30MHz. Both large and small currents have good passing performance for high working efficiency. Professional manufacturing, stable characteristics and high reliability. Specifications: Power supply: 9-15 V Consumption current: 90 mA Output resistance: 50 Ohm Color: green Material: PCB Length: approx. 130mm/5.12in Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Package Includes: 1 x Antenna 1 x Small Board