[Long-Range Communication]: Our wireless two-way intercom system is built for extended communication, with a tested range of up to 300 meters. It can even penetrate walls and floors, enabling clear communication from the 1st to the 8th floor. This makes it an ideal choice for senior care, as well as home or office communication. [Slim and Sleek Design]: With a thickness of just 18mm, our intercom system is slimmer than comparable products on the market, which typically measure over 22mm. The sleek design, along with a high-gloss UV-treated finish and a plastic + silicone button structure, provides an exceptional tactile experience. [Intelligent and User-Friendly]: Our intercom system features user-friendly elements such as a talk light and battery light display for easy monitoring. It also comes with a charging dock for smart charging, guaranteeing that the device remains powered and prepared for use. [High-Capacity Battery]: Equipped with a 1800mAh polymer lithium battery, our intercom system can last approximately one week under normal usage (5 calls per day, per call). It also boasts a standby time of 3-5 days, making it a dependable communication tool for your home or office. [Versatile and Adjustable]: This intercom system offers two frequency options (462MHz and 434MHz) to minimize interference. Additionally, it features 38 ringtone options and 3 adjustable volume levels for both ringtones and call volume. Please note that the two devices must be utilized together and cannot function separately. Power Supply: polymer lithium battery 1800mAh Battery Powered: DC5V/1A Working Temperature: -20��C to 55��C Transmission Distance: Approximately 1000 meters in open space, 20-100 meters with partition walls, floors 1-8 Working Frequency: B-gear frequency 462MHz A-gear frequency 434MHz Working Time: Charge once for about 1 week Charging Time: Approximately 5 hours when fully charged Standby Time: 3-5 days Sound Adjustment: 3 level adjustable Music Ringtones: 38 ringtones Ring Volume: Level 3 adjustable (standby device volume adjustment key) Call Sound: Level 3 adjustable call volume (adjust volume key during call operation) Color: White Silver Material: Plastic Package Contents: 2x Home intercom pager Only the above package content; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.