LED Digital FM Radio DIY Kit SCM FM Radio Module Soldering Project Practice Kit 5W Speaker 87-108MHz Stepping Adjustment for Learning Teaching, DC 5V USB Cable, Transparent Shell LED digital FM radio DIY kit needs to be assembled and welded; it's suitable for FM radio enthusiasts who have basic electrical knowledge and welding ability. Features: 2 types for option: the old version is powered by DC 5V interface via USB cable; the new version is equipped with a power adapter with US plug, and it has protective cover for speaker and anti-slip feet in the bottom. Easy to operate, with power switch, stepping add/ subtract buttons for frequency adjustment (87-108MHz), volume control knob, radio antenna. LED digital display, clear and intuitive; the display will last for 5s every time you turn on the radio or adjust the frequency, and then it will automatically shut down to save power and to reduce the interference. Power off memory function: when the power was turned on again, it played the same radio station as before. 8 ohms 5W loudspeaker brings high sound quality. Built-in shield net of the PCB board allows strong anti-interference ability and high sensitivity. Transparent shell is and exquisite; color-changing indicator light is beautiful and funny. The FM radio needs to be assembled and welded. The chip is programmed; please pay attention to the directions when welding. The DIY kit is suitable for FM radio enthusiasts who have basic electrical knowledge and welding ability, not suitable for beginners. Note: 1. Please read the user manual carefully before use. Pay attention to the assembling and welding steps. 2. Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Type: Old Version, USB Cable/ New Version, US Plug (Optional) Color: Transparent Material: ABS + Electronic Components FM Frequency: 87-108MHz Stepping Frequency Adjustment: 0.1MHz Loudspeaker: 8Ω 5W Power Interface: DC 5V (inside +, outside -) Power Supply: --Old Version: USB Cable --New Version: AC 100-240V US Plug Package Size: --Old Version: 12.5 * 10 * 7cm / 4.92 * 3.94 * 2.76in --New Version: 18 * 9 * 7cm / 7.09 * 3.54 * 2.76in Package Weight: --Old Version: 191g / 6.74oz --New Version: 250g / 8.83oz Package List: 1 * FM Radio DIY Kit 1 * USB Cable