# Button doorbell Karlik WHS-4 white — wired call button for intercom and bell systems

**URL:** https://aio.lv/en/product--karlik-whs-4--11751128
**Data updated:** 2026-03-08 15:44 (EET)
**Category:** Smart Switches
**Manufacturer:** Karlik
**Manufacturer code:** WHS-4
**EAN:** 5903292630045
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--karlik-whs-4--11751128

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.99 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

Karlik WHS-4 is a white wired doorbell/call button designed for use with intercoms and bell systems. The compact button provides a simple mechanical interface for calling or ringing, suitable for residential entrances, apartments, offices or service points. It mounts on a flush box and connects using standard wiring for reliable manual activation.

## Long description

Karlik WHS-4 white is a wired call button designed for use with intercom and bell systems. The compact mechanical button provides a reliable manual interface for ringing or calling at residential entrances, apartments, offices and service points. It is intended for flush mounting and connects to standard doorbell or intercom wiring for straightforward installation and consistent operation.
Advantages
The device features a simple and durable mechanical mechanism that ensures long-term operation without electronic complexity. Its neutral white finish and compact dimensions allow seamless integration into different interior styles and mounting locations. The wired connection delivers consistent performance and avoids battery replacement or wireless interference. Installation on a standard flush box follows common electrical practices, enabling quick replacement or upgrade of existing call buttons.
Suitable for
Residential entrance doors and apartment entry panels
Office reception and internal call points
Service counters and customer service stations
Integration with wired intercom and bell systems
Key specifications
Type: Wired mechanical call button for intercom and bell systems
Color: White
Mounting: Flush box mounting
Connection: Standard doorbell/intercom wiring terminals
Application: Indoor and sheltered outdoor mounting (typical use at entrances and service points)
How to use
Mount the button on a compatible flush box and connect the wiring to the intercom or bell system following the system manufacturer’s wiring diagram. Verify power is off before making connections. After connection, restore power and test the button by pressing the mechanical actuator to confirm signal transmission to the intercom or bell. If replacing an existing button, use the existing mounting and wiring points where compatible to simplify the process.
Usage recommendations
For reliable operation, install the button in a sheltered location protected from direct rain and extreme weather. Use appropriate insulation and secure connections for exposed wiring, and follow local electrical codes during installation. Regular visual inspection and cleaning of the button surface will maintain appearance and mechanical responsiveness.

## FAQ

### How much does the Karlik WHS-4 white doorbell button cost, and is it available for purchase?

The price is 6.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 10.07.2026 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. All transactions are 100% secure and encrypted.

### 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 Karlik 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 Karlik 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/11751128/67129822_large.webp