SHW Window/Door Access Sensor

Water Leak Detector, Lyric Wi-Fi, Includes Sensor, Powered by 3 AA Batteries ( Included ), Wall or Floor Mount, White in Color

Lyric Wi-Fi Cable Sensor , Used with Water Leak and Freeze Detector,4' Length, White in Color

Pneumatic Airflow Differential Pressure Switch, On/ Off Switching, 0.15"-12" Wc, 0.15-2" Wc, Vertical Mount, Sensing Inputs: 1/4" Compression Fittings, Control Air: 1/4" Barb or 3/8" O.D. Plastic Tubing