Wireless intercom doorbell, ultra-long range, designed specifically for villas, one-button call.

Product Features: [Wireless Transmission, Long-Distance Communication] This doorbell uses infrared transmission technology, requiring no internet or Wi-Fi connection, and boasts an ultra-long transmission distance. [Real-Time Intercom] Real-time call and answering, encrypted anti-interference call, clear sound quality, and 4-level volume adjustment. IP44 waterproof, this outdoor doorbell is easy to install, requiring no wiring or drilling. [Intuitive Operation] Simply press a button to call and answer, convenient for children and the elderly, enhancing family safety. [Compatible with One or More Indoor Units] One outdoor doorbell can connect to multiple indoor units (this product includes one indoor doorbell). Pressing the doorbell will trigger all indoor units to ring simultaneously. Furthermore, these indoor units can communicate with each other, allowing family members to communicate in real-time even when they are in different rooms. [USB-C Charging, Long Battery Life] The indoor unit is equipped with a USB-C charging port and charging dock. Both indoor and outdoor doorbells have a built-in 800mAh rechargeable lithium battery. Indoor doorbells have a battery life of 3 to 7 days, while outdoor doorbells have a battery life of up to 6 months.