Main Features Other Features Place of Origin Zhejiang, China Brand Name TOLION Model Number SL-550 Network Alarm Product Name Outdoor Siren Material ABS Dimensions 148(W)*252(L)*64(H)m Super Brightness Lamp Red / Orange / Blue Input Voltage 12V DC Working Voltage DC9-15V SPL 118 dB SPL@1 Meter Siren Current 400 mA Strobe Frequency 90-110 Times/Minute Switch N.C Packaging & Delivery