[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 of electronic components, develop good soldering skills! [Low power consumption] With digital automatic gain control () circuitry makes receive signal more stable! In addition, low power consumption, a total current of about 19mA when powered by two AA batteries. [Power failure memory function] FM 76-108MHz,work voltage:DC3V. in addition, it supports radio station memory function, 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:plastic colour:green Package Contents: 1 x DIY electronic soldering kit Only 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.