[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 from the 1st to the 8th floor. This makes it suitable for elderly care, home, or office communication. [Slim and Sleek Design]: With a thickness of only 18mm, our intercom system is slimmer than many similar products on the market, which are typically over 22mm thick. The slim design, combined with a high-gloss UV-treated finish and a plastic + silicone button structure, provides a comfortable tactile experience. [Intelligent and User-Friendly]: Our intercom system includes user-friendly features such as a talk light and battery level indicator for easy monitoring. It also comes with a charging dock for convenient smart charging, ensuring the device remains powered and ready for use. [High-Capacity Battery]: Powered by a 1800mAh polymer lithium battery, our intercom system can last approximately one week with normal use (5 calls per day, each call lasting typical duration). It offers a standby time of 35 days, making it a reliable communication tool for home or office environments. [Versatile and Adjustable]: Our intercom system offers two frequency options (462MHz and 434MHz) to help reduce interference. It includes 38 ringtone options and 3 adjustable volume levels for both ringtones and call volume. Please note that the two devices must be used together as a pair and cannot function independently. Power Supply: Polymer lithium battery 1800mAh Battery Input: DC5V/1A Working Temperature: -20C to 55C Transmission Distance: Up to approximately 1000 meters in open space, 20100 meters through partition walls, floors 18 Working Frequency: B-gear frequency 462MHz, A-gear frequency 434MHz Working Time: Up to approximately one week on a single charge under normal usage Charging Time: Approximately 5 hours when fully discharged Standby Time: 35 days Sound Adjustment: 3-level adjustable Ringtones: 38 options Ring Volume: 3-level adjustment (using standby machine volume key) Call Volume: 3-level adjustment (using volume key during call) Color: White Silver Material: Plastic Package Contents: 2 x Home intercom pager Note: The package includes only the items listed above. Other products are not included. Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement may vary by +/- 13 cm.