Quick Details Place of Origin: Zhejiang, China Brand Name: LIYI Model Number: CJB138 Product Name: Siren Color: Black Dimension: 100*140*36MM,160*130*62MM,185*148*62MM Power: 100W 200W 300W 400W Working Voltage: DC10V`DC30V Weight: 2kg Working Temperature: -40~60 Sound Pressure: 110db~130dB OEM: Welcome