- INTERCOM COMMUNICATION SYSTEM: Clear, direct communication for home or office use. Includes an alert alarm for potential elderly or emergency situations to help ensure a quick response. Talk hands-free by holding the button and speaking with them. - LONG RANGE PERFORMANCE: Maintain good audio quality over distance. Up to 1000 m in open fields, 20–50 m through walls, as long as you are on the same channel. Convenient for talking from upstairs, downstairs, or across a property. - DURABLE LI-ION BATTERY: Each unit includes a 2000 mAh lithium rechargeable battery with an adapter. The system supports charging up to 2 intercoms at once. Typical usage lasts about 5–6 days on a full charge. The indoor unit should stay in the charging station after use, or be charged at least once per week. - APPLICATION SCENARIOS: A versatile wireless intercom suitable for hotels, restaurants, shopping malls, warehouses, families, security, and schools. Enables family members to communicate quickly and easily across different rooms or areas.