The PIR Sensor detects motion up to 20 feet away. It using a Fresnel lens and infrared-sensitive element to detect changing patterns of passive infrared emitted by objects in its vicinity.

Specifications

General

Sales Package	1xPIR Motion Sensor - HC-SR501
Skillset	Analysis & Critical Thinking, Motor Skills, Problem Solving
Number Of Batteries	3 Batteries
Minimum Age	6 years
Material	plastic, metal
Battery Type	AA
Rechargeable	No
Net Quantity	1
Type	Science Project Kit

Dimensions

Width	10 cm
Height	5 cm
Depth	7 cm
Weight	90 g
Box Depth	7 cm
Box Height	5 cm
Box Weight	90 g
Box Width	10 cm

Warranty

Domestic Warranty	0 Year
Warranty Summary	warranty towards manufacturing defects only. Doesn’t cover return shipping cost.
Warranty Service Type	Replace If Not Working Upon Inspection
Covered in Warranty	Warranty of the product is limited to manufacturing defects only
Not Covered in Warranty	Module

Ratings & Reviews

3.8

★

458 Ratings &

57 Reviews

5★
4★
3★
2★
1★

good guality

works fine. keep using it over 2 months now for intrusion detector and activity monitor project. u can go for it.
Note: works with 5V-7V, have not tried above or below it. so make sure that u have that.

dhwani

Aug, 2016

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Worth of buying

very good but takes time to work.When i first powered it,it was not working but few seconds later it started working .The best thing about this product that it has a great sensitivity.

sayak dutta

Certified Buyer, Kolkatta

Dec, 2016

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Not good

not working. lose money

Subhash Mv

Certified Buyer, Chelambra

Jul, 2019

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Not recommended at all

not work

Ashish Kumar

Certified Buyer, Jhansi

Feb, 2019

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Terrific

Super

Mahesha M RAJPUT

Certified Buyer, Kachchh District

Feb, 2023

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Classy product

Good

Flipkart Customer

Certified Buyer, Nuzvid

Sep, 2022

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Fabulous!

Good

prashanth Shetty

Certified Buyer, Sirsi

Jun, 2022

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Does the job

Sanjay Mistry

Certified Buyer, Vadodara

Jul, 2021

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Just okay

better but . Jumping lead not fixing

Flipkart Customer

Certified Buyer, Neyyattinkara

Mar, 2021

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Terrible product

Flipkart Customer

Certified Buyer, Vidisha

Dec, 2020

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All 57 reviews

Questions and Answers

Q:How can I connect this to my kitchen exhaust fan , do I need additional items for it.

A:yes you need a relay module

Biraj Deka

Certified Buyer

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Q:is it pre programmed

A:Yes, it is.

Satyam Kumar

Certified Buyer

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Q:it's working AC or DC

A:dc

TechwizEgallery

Flipkart Seller

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Q:it is colourful

A:yes

kulwinder singh

Certified Buyer

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Q:is it contain time delay switch and distance controll switch

A:no it doesn't have these type if features

Ismile Pathan

Certified Buyer

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Read other answers

Q:how can i connect it with doorbell

A:search pir motion sensor automatic light in YouTube

Sathish Kumar

Certified Buyer

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Q:sensitivity range of the sensor??

A:5meter

TechwizEgallery

Flipkart Seller

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Q:how much distance it will sense person? can it use in room for human presence ?

A:No you have to amplify using fet or mosfet for covering a room, its standard ground based sensor works for small distance with out amplification.

Anonymous

Certified Buyer

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Q:How can i buy relay module and where

A:You can buy relay module on flipkart ... But this motion sensor is very good quality product works fine .

Omega Master

Certified Buyer

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Q:it can sence a person?

A:Yes.That is what it is for

K KRISHNA MURTY

Certified Buyer

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All questions+

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