The product is made of high-quality materials with guaranteed quality The product frequency is adjustable, with a total of 320 transmission frequencies and memory function A regular radio that can receive FM broadcasts can effectively receive the signals emitted by this transmitter LCD display shows the current transmission frequency Stable product performance and long service life FM transmitter model: RC-FM Output frequency: Adjustable, range 76MHz-108MHz, in steps of 1MHz or 0.1MHz, 320 transmission frequencies in total, with memory function Output power: 10-500mW (0.01-0.05W) @ 88-108MHz Receiving equipment: Ordinary radio. Any FM radio receiver can receive the signals transmitted by this device Display mode: LCD display showing the current transmission frequency. Includes FM transmission antenna data. Actual testing shows a maximum transmission distance of up to 2000 meters in open areas Power supply voltage: 5V USB Type-C Power supply current: 500mA Input signal: Audio stereo, 3.5mm interface standard, appropriate input volume Signal to noise ratio: 63dB 0.05% Color: Black Material: Plastic + metal Package Contents: 1 x FM Transmitter 1 x Telescopic antenna Only the items listed above are included; other items are not included Note: Lighting reflections and different display settings may cause slight color differences between the image and the actual item. Measurement error allowed is +/- 1-3cm