External-Driven SMD Piezo Buzzer
  

| Model | LPB4333S-TA-12-2.9-33.0-R | 
| Rated Voltage | 12 VDC | 
| Operating Voltage | 3~20 VDC | 
| Current Consumption | ≤20 mA | 
| Test distance | 30 cm | 
| SPL | ≥100 dB @30cm | 
| Resonant Frequency | 2900±500 Hz | 
| Tone | Continuous sound | 
| Operating Temperature | -40 ~ +85 ℃ | 
| Storage Temperature | -40 ~ +90 ℃ | 
| Weight | 33.5 g | 
| Carton size | 50×32×29 cm | 
| Quantity | 250 pcs | 
| Gross Weight | 10 Kg | 
IP67 Waterproof 12VDC 95dB buzzer LPB4333S is apply for supermarket door and alarm .The feature of LPB4333S is small size, low power consumption, high sound pressure, waterproof . Usually the Rated voltage is 3-20V ,special request can custom made.