Four high-intensity LEDs light up and react simultaneously to every sound. For different funny and practical applications e.g. sound indicator, simple sound-to-light unit for music. The unit can also be used to indicate when the doorbell or the telephone is ringing, which is particluarly interesting for the hearing-impaired. Adjustable sensitivity with potentiometer. Built-in microphone.
Specifications:

1. consumption: 0.5mA min. / 12mA max.
2. power supply: 9V battery (not incl.)
3. dimensions: 40 x 55 x 35mm / 1.6 x 2.2 x 1.4"

manual_wsl104.pdf

module_diy_kit_guide.pdf