Specification:

Type: Board Only, With Shell (optional)

Board Only:

Working voltage: DC 5V (DC 4-15V)

Working current: 8-14MA

Power interface: micro USB

Default frequency: 7.83Hz

Adjustment range: 0.01Hz~100000Hz pure sine wave

Signal voltage amplitude: 3V

PCB board size: 150*100*12MM

With Shell:

Working voltage: DC 5V (DC 4-15V)

Working current: 9-14mA

Power interface: micro USB

Default frequency: 7.83Hz

Adjustment range: 0.01Hz~100000Hz pure sine wave

Signal voltage amplitude: 3V

Has 3.5MM audio output interface

With acrylic housing

Size: 155*105*26MM (with shell)

Feature:

1. This product is made of high quality materials, the use of low temperature drift crystal oscillator and high precision DAC special chip, the product has good frequency stability;

2. This product can not only output 7.83Hz Schuman wave, but also add programmable frequency modulation technology, can adjust the frequency in the range of 0.01Hz~100000Hz;

3.2 kinds of specifications, there are 2 kinds without shell and with shell can be selected according to dema