Sistema di videocitofono domestico, interfono wireless bidirezionale da stanza a stanza, di lunga durata

2-in-1 Doorbell Wireless Intercom System - You can press the outdoor intercom call button or use the PTT button to speak. The outdoor unit comes with a waterproof and rainproof cover to prevent water damage. Long-range wireless room intercom - Enjoy clear communication. No WiFi/Bluetooth required - Strong signal easily penetrates walls. Operating temperature: -20°C to 55°C. Long-lasting rechargeable system to meet your daily needs - The doorbell intercom is powered by a high-capacity 1800mAh battery. The indoor unit comes with a charging dock. If you press it 5 times a day and each call lasts 2 minutes after a full charge, it can work for about 8 months. The indoor unit can work for about 3 days. (Tip: Keep the indoor unit docked when not in use to keep it uninterrupted.) Volume control - Two-way voice intercom can be selected from 38 unique ringtones and 3 adjustable volume levels (high/medium/low). Bright LED indicators show battery life and incoming calls, providing clear status updates. Certified and ready to use - Our intercom system ensures safety and reliability. Simply set both devices to the same channel (A or B) to enjoy instant communication – no complicated setup required. We don't need WiFi or Bluetooth connectivity. Easy to use.