Helps making difficult YES or NO decisions! Simply push the button to make the YES and NO LEDs start flashing. The flashing speed gradually decreases and finally one LED will remain lit.
Specifications:

1. low power consumption: 1µA idle / 8mA in-use
2. auto power-off
3. power supply: 9V battery operated (not incl.)
4. dimensions: 55 x 30 x 35mm / 2.2 x 1.2 x 1.4"

manual_wsg135.pdf

module_diy_kit_guide.pdf