Catalog > Consumer Electronics > Kits > Kits (By Function) > Light Effects & Control Catalog > Consumer Electronics > Kits > Velleman Kits Sound to Light Unit Sound to Light Unit VELLEMAN MK103 LED SOUND TO LIGHT 4 LEDS (NEW VELLEMAN PART# WSL104) 250.80 ZAR inc for 1 Each 4 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features 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. Additional Information Group Light Effects & Control Model MK103 PCB Size 40x55x35mm Voltage 9V (battery) Current 12mA