# Smart door lock Bosch Q4 2021 DE/AT White 150mm 58mm 60mm

**URL:** https://aio.lv/en/product--bosch-8750001828--5090791
**Data updated:** 2026-01-13 21:28 (EET)
**Category:** Control Systems
**Manufacturer:** Bosch
**Manufacturer code:** 8750001828
**EAN:** 5052847110546
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 460.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 380.57 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bosch-8750001828--5090791

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Bosch Q4 2021 DE/AT Smart door lock is designed for enhanced security and convenience. With a sleek white finish, it measures 150mm in width, 58mm in depth, and 60mm in height, making it a compact solution for modern homes. This smart lock offers keyless entry and can be easily integrated into your smart home system, providing peace of mind and ease of use.

## Long description

The Bosch Q4 2021 DE/AT Smart door lock in white is a compact electronic locking device designed for residential and small commercial doors. With dimensions of 150mm × 58mm × 60mm, this lock provides keyless entry and integrates with compatible smart home systems to allow remote or automated access control. The unit combines a minimal aesthetic with core electronic locking functions suited to modern door furniture and standard installation requirements.
Advantages
The smart lock offers keyless operation that reduces reliance on mechanical keys and enables remote or scheduled access when connected to a supporting smart home platform. Its compact footprint and neutral white finish make it suitable for a wide range of door styles without significant visual impact. Designed for straightforward installation on standard doors, the device aims to deliver consistent locking performance and integration capabilities for access automation and monitoring.
Suitable for
 Residential front doors requiring keyless access and remote control
 Small office or workspace entrances needing scheduled or managed entry
 Smart home systems that support Bosch Q-series lock integration
 Doors where a compact, unobtrusive lock design is preferred
Key specifications
 Dimensions: 150 mm (width) × 58 mm (depth) × 60 mm (height)
 Finish: White
 Function: Electronic, keyless entry
 Integration: Compatible with smart home systems (requires compatible hub or interface)
 Application: Designed for standard residential and small commercial doors
How to use
Install the Bosch Q4 2021 DE/AT Smart door lock according to the manufacturer's mounting instructions on a compatible door. After mechanical installation, connect the lock to your smart home system or compatible control hub as specified in the integration guide to enable remote access, scheduled entry, or automated locking. Operate the lock using the configured keyless methods (app, keypad, or connected automation) and verify locking and unlocking functions during initial setup to ensure proper alignment and secure operation.
Usage recommendations
For reliable performance, use the smart lock with a compatible smart home hub and keep firmware updated according to Bosch guidance. Ensure door and strike plate alignment before final tightening of mounting screws and test all access methods after installation. For external doors, verify the lock's environmental suitability and follow local security standards for cylinder or backup mechanical locking where required.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.77 kg |
| Height | 60 mm |
| Width | 150 mm |
| Depth | 58 mm |
| Quantity | 1 |
| Product colour | White |
| Wi-Fi | Yes |
| Package depth | 188 mm |
| Package height | 81.5 mm |
| Package width | 198 mm |
| Alarm function | Yes |
| Product type | Smart door lock |
| Automatic locking | Yes |

## FAQ

### How much does the Smart door lock Bosch Q4 2021 DE/AT cost, and is it available for purchase?

The price is 460.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Smart door lock Bosch Q4 2021 DE/AT be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Bosch products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Bosch service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/5090791/54670874_large.webp