Wireless Commercial Entrance Alert With Motion Sensor. Sensor Chimes When Motion Is Detected In Entryway. Signal Passes Through Walls, Floors, and Doors. No Wiring Required. Plug Doorbell Receiver Into A 120 Volt Outlet — Pir Sensor Uses (3) Aa Batteries, Not Included. Sensor Is Rated For Indoor Or Outdoor Use. Ideal For Use In Entryways Or As A Driveway Alert. Features Volume Control to Adjust Loudness and Includes Hardware. Receiver Has 3 Selectable Chimes Including 1-Note, 2-Note, and 8-Note Westminster. 2 Year Warranty. 2.75 Inches Wide X 5 Inches High X 1.5 Inches Deep. It weighs 0.7 pounds.
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