Features: Unleashes power wireless Auditory transmission with the CZE-7C FM Transmitter Featuring double adjustable output power 1/7W for broadcast up to 1KM. Engineered for pecisions, the CZE-7C boasts a frequency response of 50HZ-15000HZ and separation more than 35dB Perfect for car enthusiasts, music lovers, and those who need handsfree calling Whether you're embarking on a road trips, navigating through traffic jams, hosting family gatherings, or outdoor activity, this FM Auditory transmitter keeps you entertained with seamlessly connection. Specifications: Product Model: CZE-7C Auditory input: analogue Auditory Frequency :76-108MHZ Frequency step: 100K Operating Voltages: 12V Auditory distortion: less than 2% Output power: 1/7W two-stage adjustable Transmitting distance: about 0-1KM Frequency step 100KHZ Emission power 1/7W. (Two adjustable step) Auditory frequency response 50HZ-15000HZ. Machine size:about 128x93x55MM/5.04x3.66x2.17in Housing：Aluminum Package Includes: 1Set Auditory Transmitter note: Please allow 0-1cm error due to manual measurement. please make sure do not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual color. Thank you!