Description Sender 3/4 16 x 2-1/4 (Magnetic Sensor) Features: 3/4 16 x 2-1/4 No Harness Sold as an Individual This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications: Color: Black Box Dimensions: 1″H x 1″W x 4″L WT: 0.2 lbs