---
title: "Sensor Specs: Storefront Passersby (TD1001)"
description: "This describes the measurement method and definition for each sensor."
url: https://help.flow-insight.com/en/articles/483-sensor-specs-storefront-passersby-td1001
collection: "Traffic & measurement definitions"
updated: 2026-08-06
language: en
alternates: [ja]
---

# Sensor Specs: Storefront Passersby (TD1001)

This describes the measurement method and definition for each sensor.

## TD1001

Measurable KPIs: Storefront Passersby

## Measurement Method

The storefront passersby count increases whenever someone crosses the count line within the sensor's measurement range.

-   Only left/right movement is supported.
    
-   There is no logic to exclude duplicate counts of the same passerby.
    
-   Staff members are also counted if they cross the count line.
    

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