Live Chat WhatsApp Call Us

FLASH SALE

Ends in 06
sentinel-space-grey main

Sentinel Door Lock

In Stock!
In Stock!
Pre-Order: Cancellation Guarantee
$779
voucher-icon $579
$1,239 Up to 53% Off*!

Unlike brands that sell through third party distributors and retail outlets, our direct-to-consumer model passes on the savings to you. Save up to 53% OFF compared to the list price of traditional brands.

Up to 37% Off*!

Unlike brands that sell through third party distributors and retail outlets, our direct-to-consumer model passes on the savings to you. Save up to 37% OFF compared to the list price of traditional brands.

4x $195 w/ grab pay
grabpay No Hidden Fees
grabpay Earn Rewards
grabpay Flexible Payment

What you pay today

$0

if you choose to pay next month with PayLater postpaid

or

$195

if you choose to pay in 4 interest-free installments

Here’s how it works:

  • 1. Pick your preferred product and proceed to checkout.
  • 2. Apply your PRISM+ promo code.
  • 3. Select Grab as your payment method.
or 3x $260 w/ grab pay
grabpay

Pay for your purchase in 3 interest-free instalments

Here’s how it works:

  • 1. Pick your preferred product and proceed to checkout.
  • 2. Apply your PRISM+ promo code.
  • 3. Select Atome as your payment method.
Keep your home safe with Singapore's slimmest and safest door lock. Armed with military-grade reliability and unmatched convenience, this compact guardian promises to deliver hassle-free security at a value that's hard to beat.
Keep your home safe with Singapore's slimmest and safest door lock. Armed with military-grade reliability and unmatched convenience, this compact guardian promises to deliver hassle-free security at a value that's hard to beat.
Sentinel Sentinel Pro

Add-on Bundle: Smart Gate Locks
Designed for HDB Metal Gates, our Sentry Series locks perfectly complement your Sentinel Door Lock, ensuring easy access, superior security, and peace of mind

Our customers like to bundle their door locks and gate locks for the ultimate peace of mind.

Recommended
Sentry Pro Gate Lock
8 ways to unlock: 3D Facial Recognition, Mobile App, Keypad, Dual Fingerprint, Card, Sticker, Remote or Physical Key.

Top up $370

Sentry Gate Lock
7 ways to unlock: Mobile App, Keypad, Dual Fingerprint, Card, Sticker, Remote or Physical Key.

Top up $270

Add-on: Door Closer

Door Closer
Hydraulic Fire Rated Mitsu Door Closer (Free Installation)
$200 $150 $200 $150 $150 $80

Add-On: Extended Warranty

Standard warranty: 1 + 2 years

Standard Warranty Coverage:

  • 1st Year: Fully comprehensive coverage, including parts and labor.

  • 2nd & 3rd Year: Parts are covered, with a $50 labor charge per service visit.

Add To Cart voucher-icon $579 GET IT NOW Sold out

Delivers in 2-4 working days

Still unsure? Chat with us

grabpay No Hidden Fees
grabpay Earn Rewards
grabpay Flexible Payment

What you pay today

$0

if you choose to pay next month with PayLater postpaid

or

$194

if you choose to pay in 4 interest-free installments

Here’s how it works:

  • 1. Pick your preferred product and proceed to checkout.
  • 2. Apply your PRISM+ promo code.
  • 3. Select Grab as your payment method.
grabpay

Pay for your purchase in 3 interest-free instalments

Here’s how it works:

  • 1. Pick your preferred product and proceed to checkout.
  • 2. Apply your PRISM+ promo code.
  • 3. Select Atome as your payment method.
pacepay

Pay for your purchase in 3 interest-free instalments.

Here’s how it works:

  • 1. Pick your preferred product and proceed to checkout.
  • 2. Apply your PRISM+ promo code.
  • 3. Select Pace as your payment method.
bnpl-codes bnpl-codes
bnpl-codes bnpl-codes
bnpl-codes bnpl-codes
oasis-sizes
oasis-sizes

Ceiling Fan Size & Clearance

oasis-sizes oasis-sizes

*A minimum clearance from the tip of the blades to the nearest ceiling fixture is critical to allow unrestricted airflow and to prevent unwanted noise or fan wobbling.

oasis-sizes oasis-sizes
btu-combination btu-combination

Free
Installation

Smart
Home App

Versatile
Unlocking

3D Facial
Recognition*

Military-Grade
Durability

DuoSync
Technology

Ultra-slim
Design

1 + 2 Years
Warranty

*3D Facial Recognition is only applicable to Sentinel Pro.

prism-nova
prism+

The Future of Home Security

Protect your home with the assurance of Singapore's slimmest and secure smart door lock. Combining military-grade reliability with unparalleled convenience, this compact guardian ensures hassle-free security at an unbeatable value.

prism-nova
prism+
Versatile Access Solutions

Unlock Your Way

Enjoy the flexibility of multiple entry options with up to 7 convenient ways to unlock: 3D facial recognition*, mobile app, keypad, fingerprint, card, sticker or physical key.

*3D Facial Recognition is only applicable to Sentinel Pro.

prism+
Anti-Peep Protection

Shield Your Passcode

Enter random digits before or after your actual passcode to ensure onlookers can’t guess your real code. Even if someone is watching, your privacy and security remain fully protected.

prism-nova
prism+
Stylish Security

Singapore's Slimmest Door Lock

Featuring an ultra-slim 11.5 mm chassis crafted from aerospace-grade aluminum. Available in Space Grey, Nickel Silver, and Copper Rose, made with durable hard-anodized coatings that resist fading, scratching, and tarnishing.

prism-nova
prism+
Military-Grade Durability

Singapore's Toughest Door Lock

Compliant to SCDF Fire Safety Standards, engineered to withstand rigorous military-grade reliability tests, with added resistance to water, impact, and corrosion. Ideal for Singapore's humid environment, with the peace of mind provided by a 3-year onsite warranty.

prism-nova
prism+
DuoSync Unlock Technology

Dual Access Simplified

Discover our innovative DuoSync technology that unlocks the gate and door simultaneously. This two-way sync ensures immediate access control, simplifies entrance management, and enhances security.

prism-nova
prism+
PRISM+ Connect App

Seamless Security Control

Effortlessly control your smart lock from anywhere. Manage locking and unlocking, monitor access logs, set auto-lock schedules, and grant temporary access to guests with custom codes.

*Full compatibility with Wi-Fi 5 and Wi-Fi 6 (2.4G)

prism+

Premium Extended Warranty

Enjoy peace of mind with the Premium Extended Warranty — get up to 5 years of total protection, including hassle-free repairs or replacement for your Locks.

prism-refrigerators

Complete Post-Warranty Coverage:

Parts, labor, and transport costs are covered even after your standard warranty period.

Original Parts & Authorised Experts:

We use only authentic parts and trained experts.

*Extended Warranty: Add-on purchase required, terms and conditions apply.

monitor x240 - 10

Peak Power Performance

Up to ~2,500 unlocks with a 5,000 mAh rechargeable battery, delivering up to 6 months of battery life depending on usage.

monitor x240 - 10

Smart Lock Bundles

Upgrade your home security and save with our door and gate lock bundles, specially designed for Singaporean homes.

PRISM+ vs Other Brands

PRISM+

Others

Material

Aerospace Grade Aluminium

Plastic and Zinc

Thickness

11.5mm (Ultra-Slim)

>20mm (Bulky)

Colours

Space Grey, Nickel Silver, Copper Rose

Only Black

Face Recognition

Yes

No

Door & Gate Sync

DuoSync - 2 Way

None or Single Way

Warranty

1 year warranty (parts and labour) + 2 years warranty (parts only), with a $50 labor fee per service visit.

1 Year

Ruggedness

Fire Rated (SS332 Standard in Singapore)
Lab Tested to Military Grade Reliability Standards

Non-graded

Battery Life

Up to 6 months standby or 2,500 unlocks (Li-ion rechargeable & replaceable)

3-5 Months (AA Battery)

Price

From $699

$1,000+

pdp-image pdp-image

No Hidden Charges - 100% Transparency

The price above includes free delivery & standard installation for wooden doors. Additional charges may apply below.

Door Closer

Cushions impact to protect your smart lock & ensures secure, gentle door closure every time.

monitor x240 - 10
Slide Arm Door Closer

with door-holding

$150

monitor x240 - 10
V-Arm Door Closer

$80

*Only needed if none is installed. Available for purchase online or during installation via PayNow.


Still have questions? If you are still unsure if your door is compatible, speak to an expert now!

Customer Reviews

Based on 457 reviews
76%
(346)
8%
(38)
5%
(25)
2%
(9)
9%
(39)
N
Natasha Aziz
Amazing 👍

Its has been amazing! First time using digital lock. Seriously it make my life and hubs more easier by having it. We dont need to dig inside the bag to get our key. Especially when we went out and get back home late with our kids already asleep which we have to carry them. Its more easier than before. The digital lock easy to use. 👍

a
astrinahkamsin

Quality:Ok good quality
Performance:Still new to it so need to meddle and test out. So far fingerprint n card works easy
—Review from Shopee

J
Jeff

Lots of items in the bundle!

H
Han Beng Kang

item received in good condition and theEnhances home security, installation was done professionally. However the main door when pressing the button doesn't work from inside. Everything else was 👍 . Thanks seller for the fast response and delivery team for the fast delivery 👍
—Review from Lazada

a
aesgasia

—Review from Shopee