Welcome to the doorbell sensor dingdong shop entrance and exit two-way welcome device supermarket infrared induction alarm

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Color classification:

Standard edition + 3 batteries (welcome at the door and send off at the door)
Standard version + 3 meters power cord (welcome at the door and send off at the door)
Remote control version
Remote control version
(New) Remote control version
(New) Remote control version
(New) charging version + remote control + charging cable (welcome at the door and send off the door)
Split model + 3 meters power supply 2 (welcome and send-off at the door indoor reminder)
Split model + 3 meters power supply 1 (welcome and send-off at the door, indoor reminder)
Split version (without battery power supply) welcome and send-off at the door In-room reminder
The standard version (without battery power) welcomes guests at the door and leaves the door
Standard Version + 1.5m Power Cord (Welcome at the Door and Send Off at the Door)
Upgraded black + remote control + 3 batteries (welcome at the door and send off at the door)
Upgraded black + remote control + 3 meters power cord (welcome at the door and send off the door)
Upgraded black

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Tools

Color classification:: Standard Edition + 3 batteries (Door Welcome Door Send-out) Standard Edition + 3m Power Cord (Door Welcome Door Greeting Door-out) Remote Control Version

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Items weight estimation 0 g, subject to actual weight
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