Simple. Simplify Your Experience: No customization required TECHNA is easy to order, install, and service, with integrated connectivity, battery backup, and modular components for fast recovery after a strike, Adjustable Counter balance: Accommodates multiple barrier arm lengths with reinforced adjustability to offset the additional weight of the 18" and 24" arms, Highly Visible Design: Programmable red/green LEDs on tower increase visibility, reducing accidental strikes, Digital Setup: All settings are configured digitally, eliminating the need for mechanical adjustments.