2" x 102" Commercial Line Post Doggie Picket Spear Head (Bronze) Headwear there are only two components

there are only two components to the alert system and they arrive already paired to send a signal

There is one contact output that can be used for door release

Epaulet Kit With Badge Tab Included For An Easy

Reversible mounting for right- or left-handed installation

Magazine Pouch Features Two Side Strap Snaps For Additional Attachments

2" x 102" Commercial Line Post Doggie Picket Spear Head (Bronze) Headwear there are only two components2" x 102" Commercial Line Post Doggie Picket Spear Head (Bronze) This commercial grade post is designed for strength and durability, ideal for commercial fencing applications. Post Size: 2" x 72" Post Thickness: . 062" Color: Black Material: Heavy duty aluminum Finish: Powder coated for weather resistance Note: Only compatible with iDeal fences.