- diameter 27mm
- default not included the wires
- if you need wires please add notes: free for within 5pcs, extra cost for more than 5pcs
note - Oxidation
When exposed to external pollution or exposed to the air for a long time, the white silver layer and metal substrate of the buzzer are prone to oxidation problems such as yellowing and blackening of the surface. This is a normal phenomenon and will not affect the electrical performance of the product!
demo video
- https://www.youtube.com/watch?v=Xuw9frP1GNo