The i503W is a compact, wire-free indoor station tailored for retrofit and hard-to-wire projects. With its built-in rechargeable battery, Type-C interface, and plug-and-play design, it allows installers to deploy it rapidly while minimizing wiring costs. Designed for modern apartments, villas, and legacy buildings, i503W delivers a flexible, reliable, and convenient intercom experience, positioning it as the ideal choice for cost-effective, fast-deployment projects.
