Epsilont 30 Watt Siren Dual Tone Indoor/Outdoor Self-Contained Electric Security Siren SD-30W 6-12VDC 1.1Ah 120db 8 X 5.5 X 9 Inch PREMIUM QUALITY - Premium Quality Siren without the Premium Price EASY TO INSTALL - Compact Design. Bracket pivots to 90 degrees. EXTRA LOUD - 30W, 120dB, Will wake up the dead! DURABLE DESIGN - Weatherproof ABS plastic will last you for years and years. 30 DAY MONEYBACK & SATISFACTION GUARANTEE - If you don't absolutely love our product, return it no questions asked.