brand new and high quality. Features: Made of high quality material, durable and practical to use. 0.96 inch OLED automatic adjustment. ATU-100 MINI 7x7 (7 capacitors x 7 coils) automatic tuner antenna at 1.8-50 MHz. Allowable power supply voltage range when operating at a frequency of 10-15V. Automatic Antenna Tuner only, other accessories demo in the picture is not included. Specification: Material: Metal, Plastics Size: app. 12x6cm / 4.72x2.36inch Color: As picture shown Quantity: 1 Pc Power supply range: 10 - 15 VDC Max current : 450mA Max working power: 100 watts Max measured power: 150 watts Minimum power for tuning start: 1 watt Recommended maximum power while tuning not above 30 watts. (after tuning you can set 100 watts and work on this power) Minimum measured power: 0.1 watt Step for measurement on powers under 10 watts: 0.1 watt Step for measurement on powers above 10 watts : 1 watt Power measurement accuracy : 10% Maximum inductance set: 8.5 uH Minimal step for setting inductance: 0.1 uH Maximum installed capacity: 1870 pF Minimal step for setting capacity: 10 pF Note: The DIY kit requires welding capability. No retail package. Please allow 0-1mm error due to manual measurement, pls make sure you do not mind before you bid. Due to the difference between monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Automatic Antenna Tuner