The SimpliSafe Motion Sensor is a wireless and battery-powered motion detector that works with the SimpliSafe home security system. It uses passive infrared technology to detect motion and can cover a range of up to 30 feet. The motion sensor is pet-friendly, meaning it can distinguish between human and pet movement to reduce false alarms. It sends instant alerts to your smartphone whenever motion is detected, allowing you to stay informed and in control of your home's security. The SimpliSafe Motion Sensor is easy to install and can be placed on a wall or ceiling. With its reliable performance and compatibility with the SimpliSafe ecosystem, it is a popular choice for homeowners.