[Long-Range Communication]: Our wireless two-way intercom system offers a tested range of up to 300 meters. It supports communication through walls and floors, enabling reliable use across multiple levels. Suitable for home, office, or caregiving applications. [Slim and Sleek Design]: With a thickness of only 18mm, this intercom is slimmer than many comparable models. The 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, consistent power management. [High-Capacity Battery]: Equipped with 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]: Supports two operating frequencies (462MHz and 434MHz) to help reduce interference. Offers 38 ringtones and three adjustable volume levels for both ringtone and call audio. Note: This system requires two units to operate; individual units cannot function independently. 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/floors Operating Frequencies: 462MHz and 434MHz Battery Life: Approximately 1 week per full charge Charging Time: Approximately 5 hours Standby Time: 3–5 days Volume Control: 3-level adjustment for ringtone and call volume 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.