Audible and Strobe Guard, Open Back, Indoor, Outdoor, Color White, Material 9 ga Coated Steel Wire, Mounting Surface, Width 9 3/8 in, Depth 5 in, Height 6 1/8 in, For Use With System Sensors, Operating Temp
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.