Audible Alarm Type Bell, Visual Indicator Type No Visual Indicator, Voltage 24V DC, Decibels 94 dB, Sound Pattern Continuous, Indoor/Outdoor Indoor, Outdoor, Mounting Surface, Depth 4.8125 in, Diameter 10 in, Vibrating Yes, Housing Material Steel,…
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.