[Long-Range Communication]: This wireless two-way intercom system offers a tested range of up to 300 meters. It maintains clear communication through walls and floors, supporting use across multiple levels. Suitable for home, office, and care environments. [Slim and Sleek Design]: At just 18mm thick, this intercom is slimmer than many comparable models. Its high-gloss UV-treated finish and plastic + silicone button structure provide a refined tactile experience. [Intelligent and User-Friendly]: Features include a talk indicator light and battery status display for easy monitoring. Includes a charging dock for convenient, reliable charging. [High-Capacity Battery]: Powered by an 1800mAh polymer lithium battery. Provides approximately one week of operation with typical use (5 calls per day). Standby time is 3–5 days. [Versatile and Adjustable]: Offers two operating frequencies (462MHz and 434MHz) to reduce interference. Includes 38 ringtones and three adjustable volume levels for both ringtones and call audio. Devices must be used as a pair. 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 (up to 8 floors) Operating Frequencies: 462MHz (B-band), 434MHz (A-band) Battery Life: Approx. 1 week per charge Charging Time: Approx. 5 hours Standby Time: 3–5 days Volume Control: 3-level adjustment for ringtones 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 lighting and screen settings. Slight measurement variance (±1–3 cm) may occur due to manual measurement.