HomeKit Includes:1x AFSB-1XS SMALL BALL BASE1x AFSB-2XS SMALL KNUCKLE1x AFSB-7XS PROX SENSOR 12MM Weight: 0.183 lbs12MM SENSOR MOUNT KITSKU: ACCU-AFSB-1000-7XS$66.70PriceQuantityAdd to Cart