Wireless intercom doorbell, two-way voice intercom system for nurses, hospital patients, and the elderly at home

1. Two-Way Voice Doorbell: The perfect combination of a dual indoor and outdoor intercom allows you to communicate with visitors outside the door. It lets you identify visitors by their voice.
2. Easy to Use: The doorbell features one-button calling. Press and hold the talk button to speak, release to stop. Click the call button, and the other caller will ring.
3. Loud Volume: The speaker is loud and adjustable, and the sound is clear. The outdoor communication range in line-of-sight mode is 500 to 1000 meters.
4. Long Standby Time: The doorbell has a built-in 1800mAh lithium polymer battery. Typically, it operates for 30 seconds five times a day for about a week.
5. Automatic Charging Stand: The doorbell is placed on the charging stand when in standby mode. Intelligent automatic charging takes approximately five hours and the power supply is never interrupted.

Specification:

Item Type: Wireless Intercom Doorbell
Material: ABS
Battery Type: Lithium Polymer Battery
Battery Model: 103450
Battery Capacity: 1800 mAh
Power Supply: Lithium Polymer Battery (Built-in Battery)
Battery Powered: DC5V/1A
Operating Temperature: -20°C ~ 55°C
Transmission Distance: Approximately 1000 meters open, 20-100 meters through a partition wall, 1-8 floors.
Operating Frequency: 462MHz B-speed frequency and 434MHz B-speed frequency.
Time of Operating time: approximately 1 week
Charging time: approximately 5 full hours
Ring music: 38 ringtones
Ring volume: 3 adjustable levels (to adjust the device's volume)
Call sound: Level 3, adjust the call volume (adjust the volume button during the conversation)

Package list:

2 x Wireless intercom doorbells

2 x Charging cradles

2 x Charging cables.

1 x Instruction manual.