Item Name: Universal Telescopic Car Antenna Electric Auto Telescopic Radio 12V FM/AM. Product Descriptiondescribe:Product Name: Universal Lifting AntennaPackaging specifications: carton packagingProduct material: stainless steelColor: picture colorProduct size: 33*15*8cmProduct weight: 593gProduct model: BF-686Working voltage: DC12VVoltage range: DC10V-14VWorking current: 0.70.2A Wiring (3) Connection method: The red wire is connected to the positive pole of the power supply, the black wire is connected to the ear ground, and the green wire has two connection methods: one is directly connected to the positive pole of the power supply, so that the antenna rises and falls with the power, the other is Connect another control wire, so that the antenna can be controlled up and down at any time. Stretch length: 750 (outside length)Protective floor: 305mmCable length: 1400mmVoltage: 12VDC stainless steel antenna mast, five sections, good AM/FM acceptance performance, working current less than 0.5A, noise less than 50DB, service life more than 50,000 times, top thrust greater than 4KG, good waterproof performance, easy installation, multiple installations are optional Head, built-in imported miniature relay, 3C-2V coaxial cable, the line length is determined by the customer. Economical car antenna Five-section stainless steel antenna rod 39-inch long antenna rod Good FM radio effect, low noise, good waterproofness, easy installation, external high-quality micro-relay, long service life 3C-2V coaxial cable, impedance 75 ohmsInstallation angle: 0-30 degreesThe package includes:1X car antenna