White Plastic Shell Magnetic Water Flow Switch w Inner Outer Thread Product Name : Magnetic Water Flow Switch;Male Thread Diameter : 20mm/ 0.79" Female Thread Diameter : 19mm/ 0.75;Total Size : 62 x 33mm/ 2.4" x 1.3"(L*Max. Dia.) Cable Length : 37cm/ 14.6";Material : Plastic, Metal Color : White;Weight : 28g Package Content : 1 x Magnetic Water Flow Switch