Enhance your communication efficiency with this Dual Way Counter Intercom, designed for clear and reliable two-way voice transmission. Crafted from durable ABS material and finished in a sleek white color, this intercom system is perfect for secure environments such as bank windows, ticket offices, hospitals, post offices, embassy visa offices, and other service counters with security glass installations. Key Features: · Adjustable Speaker Volume: Equipped with a loudspeaker delivering 3W power per unit, the volume is adjustable between 70dB to 100dB, ensuring clear sound transmission over distances up to 200 meters without interference. · Perfect Indoor-Outdoor Combination: Seamlessly pairs with the outdoor intercom unit, enabling smooth communication with visitors outside your door. The doorbell sound effect is highly restored, allowing you to accurately identify visitors by sound. · High-Quality Sound Performance: Utilizes upgraded electro-acoustic circuit technology for both main and sub units, providing bright, clear sound with high voice resolution and frequency response from 100Hz to 12KHz. · Fully Automatic Call Control: Features duplex voice intercom technology with automatic voice signal recognition and processing, allowing hands-free operation without the need for manual call control. · Wide Application Range: Ideal for use in homes, banks, hospitals, ticket offices, post offices, embassies, securities companies, stations, and other places requiring secure communication through glass barriers. · Robust Operating Conditions: Designed to function reliably in temperatures ranging from -35°C to +50°C and relative humidity levels of 10% to 90% (RH), ensuring consistent performance in various environments. Specifications: · Item Type: Dual Way Counter Intercom · Material: ABS · Color: White · Power Output: 2 x 3W (Maximum) · Call Ringing Duration: 30 Seconds · Call Volume: 70dB to 100dB Adjustable · Frequency Response: 100Hz to 12KHz · Internal Microphone Sensitivity: -42dB · External Microphone Sensitivity: -42dB · Operating Temperature: -35°C to +50°C · Relative Humidity: 10% to 90% (RH) Package Includes: · 1 x Dual Way Counter Intercom This Dual Way Counter Intercom system offers a reliable, high-quality communication solution for secure and busy service environments, combining ease of use with superior audio clarity and durable construction.