This wireless two-way intercom system enables clear, long-range communication throughout your home. Tested for distances up to 300 meters, it effectively penetrates walls and floors, making it ideal for communication between different levels or rooms. The system features a sleek, slim design with a high-gloss finish. Each unit includes a convenient talk light and battery indicator for easy monitoring and comes with a dedicated charging dock. Powered by a long-lasting 1800mAh polymer lithium battery, it offers approximately one week of working time per charge. To ensure reliable performance, the system provides two frequency options (462MHz and 434MHz) to avoid interference, along with multiple ringtone choices and adjustable volume levels. Please note that the two devices are designed to be used as a paired set. **Specifications:** * **Power Supply:** 1800mAh Polymer Lithium Battery * **Charging Input:** DC5V/1A * **Working Temperature:** -20°C to 55°C * **Transmission Distance:** Up to approx. 1000m in open space; 20-100m through walls/floors (1-8 floors) * **Working Frequencies:** 462MHz (B-gear) / 434MHz (A-gear) * **Working Time:** Approx. 1 week per charge * **Charging Time:** Approx. 5 hours for full charge * **Standby Time:** 3-5 days * **Sound Adjustment:** Adjustable volume levels