Portable Wireless Voice Intercom Doorbell Door Chime For Home Office Warehouse Hotel 300 Meters Range Indoor Outdoor Doorbell

Brand	Unbranded
Manufacturer	Unbranded

This is a portable doorbell system that is designed for home, factory, hotel, market, and more. It has a built-in microphone and speaker for dual way communication, and is small and easy to use. The system has a wireless frequency of 467.6375MHz and a transmission distance of 300m. The system can work for up to 6 months on a single charge, and can be used in temperatures ranging from -20 to 55 degrees Celsius.

Description: This is a portable doorbell system for home, factory, hotel, market, and more. Built-in microphone and speaker allow super sound quality for dual way communication. Simple and small design, easy to use.
Specifications:
Indoor Bell
Power Supply: Rechargeable Lithium Battery
Input Interface: Micro USB
Wireless Frequency: 467.6375MHz
Transmission Distance: 300m
Working Time: > 6 Months
Working Temperature: -20 ~ 55 ?
Size: Approx. 100 * 60 * 16mm / 3.9 * 2.4 * 0.6in
Package Size: Approx. 170 * 120 * 25mm / 6.7 * 4.7 * 1.0in
Package Weight: 150g

Outdoor Bell
Power Supply: 4 x AAA Batteries (NOT Included.)
Wireless Frequency: 467.6375MHz
Transmission Distance: 5 ~ 50m
Working Time: 48h
Working Temperature: -20 ~ 55 ?
Size: Approx. 100 * 60 * 16mm / 3.9 * 2.4 * 0.6in
Package Size: Approx. 170 * 120 * 25mm / 6.7 * 4.7 * 1.0in
Package Weight: 150g Package List: 1 * Indoor Bell 1 * Outdoor Bell 1 * USB Cable 1 * Screw Driver 1 * User Manual