We don't sell - we track prices. AliExpress pays us a small commission, at no cost to you.
$9.41
KERUI M7 Motion Sensor Security Alarm, 32 Songs Wireless Doorbell, Smart Home LED Night Light for Door Window Shop
๐ฅ 81 sold recently
โ Multifunctional use as a doorbell, motion alarm, or night li
โ Wireless installation with no complex wiring required
โ Large selection of 32 melodies and adjustable volume levels
๐ค It suits small business owners or homeowners needing a simple entry alert system.
Price updated
Enhance your home security with this versatile motion sensor alarm and wireless doorbell. It features a built-in night light and 32 melodies, making it perfect for shop owners or homeowners who want reliable entry alerts and convenient hallway illumination.
InstaShop is a catalog that links to AliExpress. Purchase, shipping and warranty are provided solely by the AliExpress seller; some links are affiliate links (the price to you doesn't change). Terms of Use
๐ Price history
Tracking just started: we measured the price once, on 30.10.2026 ($9.41). We check it daily - the chart, the lowest price and a verdict appear here after 3 measurements.
Want to know when the price drops?
Based on InstaShop's daily price tracking on AliExpress since 30.10.2026 ยท 1 measurements
๐ In-depth analysis
This wireless doorbell system combines a motion sensor with a night light function, positioning it as a versatile entry alert for modern homes. Unlike standard chimes that only trigger when a button is pressed, this unit monitors movement, making it useful for both security and convenience. The integration of a light suggests it is designed for hallways or entryways where visibility is needed after dark. With a moderate number of orders and a solid rating, it appears to be a functional solution for those looking to upgrade their home notification system without complex wiring.
The device operates within the smart home category, though its specific connectivity protocols are not listed. It serves a dual purpose by acting as a traditional alert system while providing passive illumination. At the current price point, it competes with entry-level security gadgets. While the discount is modest, the consistent buyer feedback indicates that the hardware performs its primary task of detection and notification reliably for most users.
โ Pros
Dual-functionality as both a motion-activated alert and a night light for added utility.
Wireless installation eliminates the need for professional electrical work or messy cabling.
Respectable buyer rating of 4.46 suggests the motion detection is consistent for most users.
Simple setup process typical of this category, making it accessible for non-technical buyers.
Cons and cautions
The current discount is relatively small compared to the original listed price.
Lack of specific IP waterproof ratings means placement near rain or moisture is a risk.
Limited order volume compared to mass-market doorbells means fewer long-term reliability reports.
From our data
Only 89% positive AliExpress buyer feedback, below 90%
This analysis is written with an AI model from the product data (name, category, price, rating and orders), not from a hands-on test. How we choose and score
Who it's for: This is ideal for homeowners or renters who want an easy-to-install alert system for visitors or deliveries. It is particularly useful for those who need a night light in their foyer or hallway alongside a standard doorbell chime.
Who should skip it: This product is not suitable for users requiring high-end professional security integration or those who need specific weatherproofing ratings for extreme outdoor exposure, as these details are not confirmed in the specifications.
๐ Check before you buy
Confirm the maximum wireless range between the sensor and the receiver to ensure it fits your home layout.
Ask the seller about the power source requirements for both the sensor and the chime unit.
Verify if the motion sensor sensitivity can be adjusted to avoid false triggers from pets.
Check if the night light can be toggled independently of the doorbell chime.
๐ฐ Value verdict: Given the combination of a motion sensor and a light, the value is fair. The rating is strong enough to suggest it isn't a low-quality generic unit, though the price is currently closer to its standard retail value than a deep clearance bargain. It is a solid mid-range choice.
๐ก Tips
Test the sensor placement at different heights to find the best balance between detecting humans and ignoring small animals.
Place the receiver in a central location to ensure the chime is audible throughout the house.
Clean the sensor lens periodically with a dry cloth to maintain detection accuracy.
Questions about this product
Is this doorbell waterproof for outdoor use?
The manufacturer does not specify an IP rating, so it is best to install the sensor under a cover or consult the seller before exposing it to direct rain.
Can I change the chime sound or volume?
Most devices in this category offer multiple melodies and volume levels, but you should message the seller to confirm the exact number of options available.
How is the unit powered?
The power requirements are not listed in the main description. Please verify with the seller if it uses batteries or a plug-in AC adapter before purchasing.
โ Questions & Answers
What does it cost in US dollars?
$9.41 - the AliExpress listing price converted to US dollars at our latest check (29.10.2026). The exact amount in your currency, with shipping, is shown at AliExpress checkout.
Shipping and import taxes to my country?
Delivery to your address, its cost and time depend on the seller and your country; import duty/VAT depends on your country's rules (in the EU, the UK and Australia VAT/GST is usually collected at AliExpress checkout). All of it is shown before you pay.