Check the listing for details. TekTone IR104E Apartment Speaker Station, 4 Wire. Color: N/A, Condition: Open box. Listed at 24.99 USD. This TekTone Apartment Speaker Station is a reliable and durable intercom system designed for use in apartment buildings. It has a 4 wire configuration and comes with a model number IR104E. This unit type intercom system is perfect for ensuring secure communication within the building. The brand TekTone is known for its quality products and this intercom system is no exception. It does not come with a battery, but it is easy to install and use. The California Prop 65 Warning indicates that this product contains chemicals that may cause cancer and reproductive harm. This item is part of the Door Entry Systems & Intercoms, Home Security, Home Improvement, and Home & Garden categories, making it a versatile piece of equipment that can be used in various settings. With its excellent sound quality and user-friendly interface, this TekTone Apartment Speaker Station is a great addition to any apartment building.