Chuông Cửa Không Dây 113db Cảm Biến Bằng Giọng Nói Có Đèn Led Nhiều Màu Sắc

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Feature:
-It has five functions of welcome / doorbell / alarm / color light / night light.
-Optional to learn of 32 wireless probe accessories such as infrared, door magnet, vibration, and 8 remote controllers, flexible and versatile.
-Colorful LED lights, 4 levels of brightness adjustable, different colors can be used to distinguish multiple entrances, more dazzling and smarter.
-Long-distance transmission, reaching 280m/918.6ft in the open field, suitable for larger places and higher floors.
-A dedicated speaker for independent alarms, with a maximum of 113dB, can effectively deter thieves.
6. 4 levels of volume can be adjusted, changing battery memory and other humanized designed, more considerate.
-The infrared detector has a detection angle of 100 degrees in the horizontal direction and 15 degrees in the vertical direction, and a sensing distance of 2 - 8m/6.6-26.2ft.
8. 8 chord music chip, 40mm big speaker, more pleasant and louder.
9. 16pcs doorbell music can be changed at will, which can satisfy different preference.
-HD MP3 voice prompts for all modes and operations, making it easy for using.
-With universal adjustment base, infrared sensor window can be adjusted 180 degrees left and right, 360 degrees rotation adjustment.
-No need to insert a card, built-in U disk, DIY sound synthesis or recording, mini USB interface connected to computer to download.
-With power-off memory function, the battery is automatically backed up when the power is cut off, and it will remind to replace the battery in time when the power is insufficient.
-Applicable to various shops, high-end clubs, hotels, offices, factories, families, villas and other places.

Specification:
Condition: 100% Brand New
Item Type: Welcome Doorbell
Material: ABS
Color: As picture shown
Power Supply:
Receiver: 3 x AA Batteries (Not Included) / USB 5.0V Power Adapter (Not Included)
Infrared Detector: 3 x AAA Batteries (Not Included) / USB 5.0V Power Adapter (not Included)
Transmit and Receive Frequency: 433MHz
Working Temperature:
Receiver: -10-60°C
Infrared Detector: -10-33°C
Receiver Battery: Available 5-7 Months (Calculated 30 Times Per Day)
Infrared Detector Battery: Available for 5-7 Months (Calculated 30 Times Per Day)

Package List:
1 x Receiver
1 x Infrared Detector
1 x Double-Sided Tape
2 x Screw
2 x Infrared Detector Mounting Base
1 x Inst