[Ususexa] Âm thanh báo động điện tử công nghiệp DC 12V 2 6KHz 85dB Đen

Description: Product Name: Piezo Buzzer Frequency: 3.6KHz Suitable for Alarms, Portable equipment, Auto-mobile products, etc. Drive method: Piezoelectric Number of Channels: Dual Channel Specification: Rated Voltage : 12V Operating Voltage : 2V~28V Rated Current : 5mA Fundamental Frequency : 3600Hz Min. Sound Pressure Level : 85dB Min At10cm Operating Temp : -20～60℃ Storage Temp : -30~70℃ Dimension : φ30 x H5.5mm/1.18x0.22 inch Outer Covering Material : ABS Package Includes: 10 Pieces Piezo Passive Buzzer Note: Please allow 1-3mm error due to manual measurement.