1. Material: plastic, copper
2. Weight: about 230g/piece
3. Size: about 9x9 cm/piece
4. Application: automobiles, motorcycles, ships, etc.
5. Power supply voltage: 12V
6. Power: 30W
7. Sound level: 110db
8. Current: 2A
9. Features: beautiful appearance, loud and clear sound, waterproof and rustproof, wide applicability, simple installation, durable