EKI Build Your Own FM Microphone Transmitter Soldering Kit (2045) A capital D at left

A capital D at left corner indicates that it is a digital sensor

It is equipped with two LED lights under the magnifier that can be turned on and off with the push of a button

59 features are number coded and identified in an accompanying key including: the coronary arteries

The unit is factory-calibrated and can be calibrated with distilled water

Romantic color-changing LED light with independent light control

EKI Build Your Own FM Microphone Transmitter Soldering Kit (2045) A capital D at leftBuild your own transmitter that can be heard on any FM radio with a range of 40ft Includes a miniature condenser microphone. 9V battery not included. Warning: Not to be used for jamming radio or TV reception. Principles taught: Transistor amplifiers, LC oscillator, transmitters. Components: 5 capacitors, 6 resistors, 2 coils, 2 transistors, microphone, slide switch, battery snap. Assembly with a soldering iron is required (solder and soldering iron