Features: brand new and high quality This digital radio has a digital display frequency function, power-off memory function, and power-saving function. Power off memory function: after turning off the power, power on again, playing is before the power off the radio station. Frequency modulation range: 87MHz ~ 108MHz. The working voltage: 4.5V-5.5V for DC (for DC for seat power supply, inside positive and outside negative, do not connect the reverse). This soldering practice kit help you to learn basic electronic knowledge and circuit principles, and practice soldering skills. You can make the radio with your kids and families,enjoy fun with them. Package Includes: 1Set FM Radio Kits Specifications: Material:ABS+Metal Frequency Modulation Range: 87MHz ~ 108MHz Working Voltage:4.5V-5.5V for DC note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!