Ecolink Intelligent Technology PIRZWAVE2-ECO-2 Z-Wave Easy Install with Pet Immunity Motion Detector, White Premium components provides accurate and instant motion detection in both automation mode and security mode Overcomes potential interference of pets as large as 55 lbs., saving nuisance false alarms. Easy installs with included flush mount and corner mount wall brackets and begins to learn as soon as batteries power it up. Five year battery life and discrete design keep it out of sight and out of mind when not on alert. Works with most brands of Z-wave home security hubs.