[Long-Range Communication]: This wireless two-way intercom system offers reliable communication with a tested range of up to 300 meters. It maintains clear audio performance through walls and floors, supporting use across multiple levels in residential or office environments. [Slim and Sleek Design]: At just 18mm thick, this intercom features a compact profile compared to standard models. Its high-gloss UV-treated finish and plastic + silicone button construction provide a refined look and comfortable tactile feedback. [Intelligent and User-Friendly]: Designed for ease of use, it includes visual indicators for talk status and battery level. A dedicated charging dock enables convenient and consistent power management. [High-Capacity Battery]: Equipped with an 1800mAh polymer lithium battery, the device supports approximately one week of typical usage (5 calls per day) and up to 5 days of standby time. [Versatile and Adjustable]: Offers dual frequency options (462MHz and 434MHz) to help reduce interference. Includes 38 ringtones and three adjustable volume levels for both ringtone and call audio. Note: Two units are required for operation; individual use is not supported. Power Supply: 1800mAh polymer lithium battery Input: DC 5V / 1A Operating Temperature: -20°C to 55°C Transmission Distance: Up to 1000 meters in open space; 20–100 meters through walls or floors Frequencies: 462MHz and 434MHz Battery Life: Up to 1 week per charge Charging Time: Approximately 5 hours Standby Time: Up to 5 days Volume Control: Three-level adjustment for ringtone and call volume Ringtones: 38 options Color: White Silver Material: Plastic Package Includes: 2 × Home intercom units Note: Colors may vary slightly due to screen settings and lighting conditions. Dimensions are subject to a tolerance of ±1–3 cm.