Features:
- Wireless 2-way audio intercom doorbell for villas, apartments, offices, and warehouses
- No wiring or network needed, built-in wireless signal
- Supports wireless remote unlocking
- Long-range transmission up to 1000 meters
- 38 polyphonic ringtones with volume adjustment
- IP55 waterproof outdoor doorbell for all-weather use
- Low-power consumption with ultra-long standby time

Specifications:
- Power Supply: Built-in 18650 lithium-ion battery (1200mA)
- Charging Ways: Type-C port and two-pin terminal
- Standby Time: ≥ 260 days
- Waterproof Grade: IP55
- Wireless Hands-free Two-way Intercom
- LED Indicator for low battery and charging
- Maximum Support: 5 devices per system group

Package Includes:
- Outdoor Doorbell Transmitter
- Indoor Receiver
- Optional wireless unlocking box
- Type-C charging cable
- Two-pin terminal
- User manual

Upgrade your home security with our Wireless Intercom Doorbell! Enjoy hassle-free communication and convenient remote unlocking up to 1000 meters away. With 38 ringtones, adjustable volume, and IP55 waterproof protection, this doorbell is perfect for any weather condition. Say goodbye to complicated wiring and hello to seamless wireless intercom technology.