Min. Order Reference FOB Price
1000 Pieces US$1.00-3.80 / Piece
Product Description
Product features: 1. Use electromagnet to strike the steel to voice, with a big size tune, classical and crisp timbre. 2. 110V,220V,240V AC orDC 6V, 12V,24V voltage input 3. Popular buzzer voice 4. High-grade nice appearance It is widely used in super hotel, school, star hotel, factory, ...