[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 transmission through walls and floors, supporting use across multiple levels. [Slim and Sleek Design]: With a profile of only 18mm, this intercom system features a compact form factor. The housing combines high-gloss UV-treated plastic with silicone buttons for enhanced 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 supports convenient recharging. [High-Capacity Battery]: Equipped with an 1800mAh polymer lithium battery, the device provides approximately one week of operation under typical usage (5 calls per day). Standby time is up to 5 days. [Versatile and Adjustable]: Offers dual operating frequencies (462MHz and 434MHz) to help minimize 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 Power: 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 Operating Frequencies: 462MHz and 434MHz Battery Life: Approximately 1 week per charge Charging Time: Approximately 5 hours Standby Time: Up to 5 days Volume Control: Three-level adjustment for ringtone and call audio Ringtones: 38 options Color: White Silver Material: Plastic Package Contents: 2 x Home intercom units Note: Color appearance may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.