[Long-Range Communication]: Our wireless two-way intercom system is designed for long-range communication, with a tested range of up to 300 meters. It can penetrate walls and floors, allowing for clear communication between floors. This makes it suitable for home or office communication. [Slim Design]: With a thickness of only 18mm, our intercom system is slimmer than many similar products on the market. The design features a high-gloss UV-treated surface and a plastic + silicone button structure. [Intelligent and User-Friendly]: Our intercom system includes a talk light and battery indicator for easy monitoring. It also comes with a charging dock for convenient charging. [High-Capacity Battery]: Powered by an 1800mAh polymer lithium battery, the intercom system provides approximately one week of operation with typical use (5 calls per day). Standby time is 3–5 days. [Versatile and Adjustable]: The intercom system supports two frequency options (462MHz and 434MHz) to help reduce interference. It offers 38 ringtones and 3 adjustable volume levels for both ringtones and call audio. 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 Working Frequencies: 462MHz and 434MHz Battery Life: Up to 1 week per charge (typical use) Charging Time: Approximately 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 may vary slightly due to screen settings and lighting. Measurements may vary by ±1–3 cm.