Product Description: Dual Way Counter Intercom Premium Speaker Sensitive Mic 3W Power Window Intercom System for Bank White Speaker Volume Adjustable: Experience crystal-clear communication with our counter intercom system, featuring a loud and adjustable speaker. Designed for easy wall mounting with tape, this system ensures seamless communication over distances up to 200 meters without interference, making it perfect for busy environments. Perfect Combination: Seamlessly integrate indoor and outdoor communication with our dual intercom system. The system allows you to converse effortlessly with visitors outside your door. The highly restored doorbell sound effect ensures you can accurately identify visitors by sound, enhancing security and convenience. 3W Power: Equipped with advanced electro-acoustic circuit devices, this dual-way counter intercom delivers superior sound quality. With a high power output of 3W for both main and sub-units, enjoy clear, bright sound and high voice resolution, ensuring every conversation is heard with precision. Fully Automatic Call Control: Simplify your communication with our window two-way intercom system, featuring fully automatic call control. Utilizing duplex voice intercom technology, the system automatically recognizes and processes voice signals, allowing for hands-free operation during calls. Widely Used: This versatile window intercom system is ideal for a variety of settings, including homes, bank windows, ticket offices, hospital windows, post office windows, securities windows, embassy visa offices, and more. Perfect for any location with security glass, it enhances communication and security across diverse environments. Enhance your communication efficiency and security with our dual-way counter intercom system, designed for clarity, convenience, and versatility in any professional or personal setting.