Feature

●Extra Time Service Life: Wireless Doorbell batteries are put away and used for outdoor units with 4 AAA batteries for a service life of up to 4 months, but batteries are not included.
●Reliable Connection: The indoor unit does not need batteries and connects with a USB cable to keep it working perfectly at all times.
●Flexible Adjustment: this Smart Doorbell has volume, changeable ringtones, clear voice quality and speakers.
●Easy to Use: Wireless Smart Doorbell is very easy to install, you can directly use the tape to stick the doorbell on the wall, less time consuming.
●Professional Design: Doorbell is professionally designed with one outdoor unit to support multiple indoor units without interference.


Description

Specification:
Condition: Brand New
Item Type: Doorbell
Color: As Picture Shown
Material: ABS Plastic
The Outdoor Machine
Battery Model: 4pcs AAA Batteries for Power Supply (Not Included)
Working Temperature: -20-55℃
Transmission Distance: Approx. 200m/218yd of Empty Place, 5-50m/16.4-164yd of Place with Obstacles
WorkingFrequency: 467.6375MHZ
Working Time: Four months
Waterproof Rating: No Waterproof Function
The Indoor Machine
Voltage Range: 5V 1A
Working Temperature: -20-55℃
Transmission Distance: Approx. 200m/218yd of Empty Place, 5-50m/16.4-164yd of Place with Obstacles
WorkingFrequency: 467.6375MHZ
Waterproof Rating: No Waterproof Function

Package List:
1 x Indoor Machine1 x Outdoor Machine
1 x Screwdriver
1 x Discription
2 x Adhesive Tape