Quad element detector reduces false alarms. 33lbs. and 55lbs. pet immune settings. 30’x 50’ coverage. 3-year battery life. Includes quad motion detector with wall and ceiling mount hardware, wide-angle lens, battery, instructions. Requires an Leviton Security & Automation 64 Zone Wireless Receiver (Leviton Security & Automation part #45A00-1). Uses CR123A lithium ion battery, included. Leviton’s wireless products use 433Hz frequency and require a Leviton Automation system.