.8” 
.2” (3.5mm) (20.5mm) (4mm)
SK-990A, SK-990B specifications
The SECO-LARM USA SK-990B and SK-990A are state-of-the-art wireless intercom systems designed for both residential and commercial applications. These models stand out due to their advanced technologies and robust features that enhance communication and security.One of the primary features of the SK-990B and SK-990A is their wireless capabilities, which eliminate the need for complex wiring systems. This allows for easy installation and flexibility in placement, making them ideal for a variety of settings, including homes, offices, and even industrial environments.
Both models are equipped with two-way communication, enabling real-time conversations between users. The digital signal processing technology ensures clear audio quality, minimizing background noise and enhancing voice clarity. This is particularly important in noisy environments where effective communication is crucial.
The SK-990B model offers a high-definition video feed, providing users a visual connection in addition to audio communication. This feature is essential for security purposes, allowing users to see who is at the door or in a designated area. The camera has an infrared night vision capability, enabling clear visibility even in low-light conditions for enhanced security during the night.
Another important characteristic of both models is their long-range communication. With a range of up to 1000 feet in open areas, users can maintain connectivity even at a distance. This feature ensures that homes and large office spaces remain seamlessly connected without any interruptions.
The intercom systems also emphasize user accessibility with straightforward controls. Both models feature a simple interface, allowing users to quickly establish communication. They can easily be integrated with additional SECO-LARM devices, such as wireless doorbell systems, further enhancing their functionality.
Durability is a key aspect of these intercom systems. Constructed with high-quality materials, the SK-990B and SK-990A are designed to withstand daily wear and tear, making them reliable for long-term use. Additionally, they come equipped with weatherproof housings, suitable for outdoor installations.
In summary, the SECO-LARM USA SK-990B and SK-990A intercom systems are exemplary models that combine innovative technology with practical features. Their wireless design, dual communication capability, HD video surveillance, long-range functionality, and robust construction make them versatile solutions for enhancing communication and security effectively.