[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 caregiving applications. [Slim and Sleek Design]: At just 18mm thick, this intercom is thinner than many comparable models. Its high-gloss UV-treated surface and plastic + silicone button construction 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]: Supports two frequency options (462MHz and 434MHz) to reduce interference. Offers 38 ringtones and three adjustable volume levels for both ringtones and call audio. Note: Both units must be used together 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 (1st to 8th floor) Frequencies: 462MHz (B-gear), 434MHz (A-gear) Battery Life: Approx. 1 week per charge Charging Time: Approx. 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 may vary slightly due to lighting and screen settings. Slight measurement variations (±1–3 cm) may occur due to manual measurement.