Osciloscopio Reloj Controlador Placa Pantalla LED para 8SJ31J/7SJ32J/5SJ38J/3SJ1J
Connected to 8SJ31J by default, support for 7SJ32J, 5SJ38J, 3SJ1J tubes and so on. - Oscilloscope clock is not included. - Upgraded solid capacitor, mini size. (14.5 x 6cm). - Onboard LED can display Morse code.