Would this work in an industrial refridgerator? We are experiencing food theft in a school?

Dear friend, Please don't install inside the industrial refridgerator.you can install outside.we are afraid the battery will be damaged. The PIR sensor doorbell alarm can't installed in a location of facing the air-conditioner heat wind, it can't face sunshine. If any other problem,please feel free to contact us via Amazon message or after-sale email fuers.csc01@outlook.com

How you adjust the volume,?

Hi friend, You can adjust the voice by the Volume adjustments: short press【▂▃▅】 to adjust the volume of the current mode by cycle, 4-3-2-1-1-2-3-4, maximum and minimum volume ,the host will make a sound "di di" in the current mode of play.

How do I get it to just Ding Dong? No voice?

Look at the music button. It has 32 selections. Most are music and one is ding dong with hello. There is no selection for just ding dong

If im not at home and the sensor goes off, how will I know?

Dear friend, We are sorry,this doorbell alarm is a independent alarm,it will just goes off and emite sound to let anyone nearby to know,or scare the intruder off. If any other problem,please feel free to contact us via Amazon message or after-sale email fuers.csc01@outlook.com

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KERUI Wireless Indoor Motion Sensor Door Bell Shop Visitor Alert Chime Alarm Burglar for Business When Entering Door Opens

KERUI Wireless Indoor Motion Sensor Door Bell Shop Visitor Alert Chime Alarm Burglar for Business When Entering Door Opens

Product ID: 202268644

Details

Brand
KERUI
Color
KERUIM5
Item Weight
2.5 Ounces
Maximum Range
6 Meters
Power Source
Battery

📶6m detection range

🔊90dB adjustable volume

🔴flashing red alert light

R37

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

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Description

🚪 Stay a step ahead—never miss a visitor or intruder again!

EFFORTLESS SETUP - Mount with screws or double-sided tape—no tech skills needed
FLEXIBLE POWER OPTIONS - Battery or adapter powered for ultimate installation freedom
RELIABLE SECURITY BOOST - 90dB chime plus flashing red light keeps your space confidently monitored
CUSTOMIZABLE ALERT MODES - Choose from voice, alarm, or 32 music tones to suit your vibe
PRECISION MOTION DETECTION - 110° horizontal & 15° vertical sensing angle for spot-on alerts

The KERUI Wireless Indoor Motion Sensor Door Bell offers a 6-meter detection range with a 110° horizontal and 15° vertical sensing angle, delivering instant alerts via a 90dB chime and flashing red light. Featuring three alert modes—voice, alarm, and customizable music tones—and adjustable volume levels, it adapts perfectly to any business or home environment. Powered by 3 AAA batteries or a 9-15V adapter (not included), it ensures flexible installation with easy wall mounting. Ideal for shops, offices, and homes, this standalone device enhances security and visitor awareness without the need for Wi-Fi or complex setup.

Specifications

ASIN	B07QZGRFPV
Antenna Location	Walkway, Terrace, Garden, Sidewalk, Lawn, Driveway, Garage
Battery Description	3 AAA Alkaline
Best Sellers Rank	#216,657 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #183 in Door Bells Chimes
Brand	KERUI
Color	KERUIM5
Customer Reviews	4.3 4.3 out of 5 stars (304)
Frequency	433 MHz
Item Dimensions D x W x H	1.97"D x 3.15"W x 2.95"H
Item Weight	2.5 Ounces
Manufacturer	KERUI
Maximum Range	6 Meters
Mfr Part Number	KERUIM5
Model Number	CECOMINOD031180
Mounting Type	Wall Mount
Number of Batteries	3 AAA batteries required.
Power Source	Battery Powered
Smart Home Compatibility	Not Smart Home Compatible
UPC	710525778307 756320111123 607467350282

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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R37

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

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