Feature

●Frequency of Doorbell is in line with the national regulations, will not produce harmful electromagnetic interference.
●Battery take?in and take?out easily for outdoor machine, using 4pcs AAA batteries, and service life can up to half a year, but the battery is not included.
●The indoor machine doesnt need batteries, and it is connected with USB data cable.
●Volume adjustable and ringtone changeable, the voice quality is clear and the speaker sound is loud.
●Installed easily, can straightly stick doorbell to the wall with adhesive tape and less time consuming.


Description

Feature:

1. Using learning code to code, an outdoor machine support many indoor machines, non?interference.

Specification:

Condition: 100% 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, 50-100m/54.6-109.3yd of Place with Obstacles

Working Frequency: 467.6375MHZ

Working Time: More Than Half a Year

Waterproof Rating: No Waterproof Function

The Indoor Machine

Voltage Range: 5V 1A

Working Temperature: -20-55℃

Transmission Distance: Approx. 200m/218yd of Empty Place, 50-100m54.6-109.3yd of Place with Obstacles

Working Frequency: 467.6375MHZ

Waterproof Rating: No Waterproof Function

Package List:

1 x Indoor Machine1 x Outdoor Machine1 x Screwdriver1 x Discription2 x Adhesive Tape