AT-E R4S Smart Deadbolt Lock – Black, App & Fingerprint Access, Aluminum Alloy
Product Description
Elevate your entryway security with the AT-E R4S Smart Deadbolt Lock. Built with a solid aluminum alloy construction and a sleek black finish, this lock offers multiple unlocking methods and smart-home integration for modern homes and offices. Designed for doors with 35-55 mm thickness, it’s suitable for both wooden and metal doors.
Key Features
- Premium Material: Aluminum alloy body for durability and modern styling.
- Multiple Unlock Methods: App, fingerprint, mechanical key backup.
- Compact Dimensions: H 84 × W 81 mm panel size for a clean fit.
- Flexible Installation: Fits doors with thickness from 35–55 mm; works on both wood and metal doors.
- Reliable Power: Powered by 4 × AAA batteries with USB backup in case of power loss.
- Wide Operating Temperature: Rated for use from –20 °C to +60 °C.
- Mortise Options: Compatible with 60/70 adjustable single‐latch mortise.
Specifications
| Specification | Detail |
|---|---|
| Brand | AT-E |
| Material | Aluminum Alloy |
| Colour | Black |
| Unlocking Methods | App, Fingerprint, Mechanical Key |
| Panel Size | H 84 × W 81 mm |
| Door Thickness | 35–55 mm |
| Suitable Door Types | Wooden or Metal |
| Power Supply | 4 × AAA Batteries + USB Backup |
| Operating Temperature | –20 °C to +60 °C |
| Mortise Type | 60/70 Adjustable Single Latch |
Why Choose the AT-E R4S?
If you’re looking for a sleek smart lock that blends into modern interior design while delivering secure and flexible access, the AT-E R4S is an excellent choice. It supports app and fingerprint unlocking for ease of use, plus a mechanical key as backup. With its aluminium build, it’s both robust and stylish. The door-thickness compatibility suits many common residential and light-commercial applications.
What’s Included
- Front + back lock panels
- Compatible mortise (60/70 adjustable single latch)
- Installation hardware kit
- 4 × AAA battery pack
- USB backup power interface
- User manual
Installation & Use Tips
- Please measure your door thickness before purchase to ensure it falls within the 35–55 mm range.
- Prior to mounting, install batteries and test app/fingerprint unlocking to verify functionality.
- Keep the USB backup port accessible in case the batteries fully discharge.
- For optimal fingerprint unlocking, make sure the door is installed straight, and avoid mounting in extreme cold/hot environments.
- Set up the mechanical key backup and store the key safely as a fallback.
Shipping Policy
Shipping times vary as we do ship worldwide from different fulfillment centers based on your location. Average shipping time is about 7 to 10 working days. Your tracking number will be updated 3-7 days after your order has been shipped.
Delivery Time
All items in store may take 1 to 3 business days to process. Please add processing time to your shipping estimate below.
Here is an estimate of the shipping times. Due to factors that often affect international shipments, such as holidays, customs, and weather delays, we can only offer an estimate of shipping times.
The shipping time depends on shipping way you choose.
We can supply multiple shipping options.
For normal opition, shipping time is:
US:6-12 working days
CA:8-15 working days
AU:6-10 working days
UK:6-10 working days
Refunds Policy
Return & Exchange Policy
By placing an order, You confirm that You have read, understood and accepted these following policy.
Cancellation
We accept order cancellation before the product is shipped or produced.We cannot cancel the order if the product is already shipped out.
We also offer order adjustment service if your order is not yet shipped out. If you want to make any changes to your order, welcome to email us at admin@austrend-co.com.au as long as it has not been shipped.
Return or Resend
Our policy lasts 15 days from arrival date. If 15 days have gone by since you received the item, unfortunately, we can’t offer you a refund or resend.
You have two options:
1 .Return: We accept the return on products which were shipped out by us and if the item is faulty due to an error on our end (e.g. wrong item or damaged item). Item(s) must be returned together with proof of purchase.
Several types of goods are exempt from being returned. Perishable goods such as food, flowers, newspapers or magazines cannot be returned. We also do not accept products that are intimate or sanitary goods, hazardous materials, or flammable liquids or gases.
Additional non-returnable items:
Gift cards
Downloadable software products
Some health and personal care items
To complete your return, we require a receipt or proof of purchase. Please contact our support team via admin@austrend-co.com.au for more information.
You will pay for return shipping. For quality related returns, return shipping cost is refundable. Items not meeting the above criteria will be considered ineligible for a return.
2.Resend:
if the item is faulty due to an error on our end (e.g. wrong item ).We are willing to resend the correct product for you.
If the item is defective due to transportation issues (such as damaged items).We can reissue new product for you under the premise that you bear part of the shipping cost
Refunds (if applicable)
Once your return is received and inspected, we will email you a notification of receipt. We will also notify you of the approval or rejection of your refund. If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
Due to transportation problems, If you think the return is too troublesome,the goods are damaged when the goods are received, we can bear part of the loss and refund part of the amount.