Description: DC 220V Spiral Hole Piezoelectric Active Buzzer with Leading Wire Rate Voltage: DC 220V; Operating Voltage Range: 210-250V; Rated Current(Max): 30MA Drive Mode: piezoelectric; Sound: continuous, double channel(stereo) Material: ABS; Sound Pressure Level: Min.85dB Size: ?22.5xH17 mm/ ?0.88xH0.66 inch Package Includes: 1 piece buzzer
