[Trainning Electronical Soldering Skills] DIY FM radio soldering kits will help you understand the basics of working with printed circuit boards, at the same time, it will help you become familiar with a variety of electronic components, develop good soldering skills [Low consumption] With digital automatic gain control (AGC) circuitry makes receive signal more stable In addition, low consumption, a current of about 19mA when powered by two AA batteries.[ failure memory function] FM 76-108MHz,work voltage:DC3V. in addition, it supports radio station memory function, the time you turn on the device, it will automatically return to the last time you turned off the radio station and volume.[Clear silk screen for component installation] There are clear silk screen for component installation on PCB to help you solder it, Particularly suitable for use epoxy PCB welding students use rather than for general use paper-based board size:56 x 30mm Material:plasticcolour:greenPackage Contents:1 x DIY electronic soldering kitOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.