[Long Range]: Our wireless two-way intercom system is designed for long-distance communication, with a tested range of up to 300 meters. It can even penetrate walls and floors, allowing for clear communication from the 1st to the 8th floor. This makes it an ideal solution for elderly care, home, or office communication. [Slim and Elegant Design]: With a thickness of only 18mm, our intercom system is slimmer than similar products on the market, which are usually over 22mm thick. The slim design, combined with a high-gloss UV-treated and a plastic + silicone button structure, provides a superior tactile experience. [Smart and User-Friendly]: Our intercom system is designed with user-friendly features, including a call light and battery light for easy monitoring. It also comes with a charging dock for smart charging, ensuring the device is always powered and ready for use. [High-Capacity Battery]: Powered by an 1800mAh polymer lithium battery, our intercom system can last for approximately one week with normal use (5 calls per day, per call). It also has a standby time of 3-5 days, making it a reliable communication tool for your home or office. [Versatile and Adjustable]: Our intercom system offers two frequency selections (462MHz and 434MHz) to avoid interference. It also has 38 ringtone options and 3 adjustable volume levels for both ringtones and call volume. Please note that the two units must be used together and cannot be used separately. Power supply: polymer lithium battery 1800mAh Battery powered: DC5V/1A Working temperature: -20 C to 55 C Transmission distance: Approximately 1000 meters open space, 20-100 meters partitions, floors 1-8 Working frequency: B-switch frequency 462MHz A-switch frequency 434MHz Working time: Charge once for approximately 1 week Charging time: Approximately 5 hours when fully charged Standby time: 3-5 days Sound adjustment: 3rd gear adjustable Music ringtones: 38 ringtones Ringtone volume: Level 3 adjustment (volume adjustment button for standby machine) Call sound: Level 3 adjust call volume (adjust volume button during a call) Color: White Silver Material: Plastic Package contents: 2x Home Intercom pager Above package content only, 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 allowed measurement error is +/- 1-3 cm. After-sales warranty is our extended commitment to quality. No matter how big or small the problem, we will do our best to make you feel 385% valued and cared for.