The Buzzer module plays a 4kHz tone. The volume of the buzzer circuit can be adjusted by changing the the amount of power running through it. The plus and minus signs indicate the direction in which the buzzer circuit module operates.
Note: Not in retail packaging spare parts only
(BD4U SKU: 1573257)
*Availability is not a live feed as not all products are currently in our showroom, feel free to contact us to confirm stock levels and location.