# Doorbell / School Bell ORNO OR-DP-ML-131 — wired wall-mounted bell, model OR-DP-ML-131

**URL:** https://aio.lv/en/product--orno-or-dp-ml-131--10797780
**Data updated:** 2026-05-06 17:39 (EEST)
**Category:** Control Systems
**Manufacturer:** ORNO
**Manufacturer code:** OR-DP-ML-131
**EAN:** 5902560324082
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 24.99 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 20.65 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--orno-or-dp-ml-131--10797780

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

ORNO OR-DP-ML-131 is a wired doorbell / school bell designed for wall mounting. It provides a clear audible signal for entrances, classrooms or corridors. The unit is a single-purpose bell intended for fixed installation where reliable, simple signalling is required. Suitable for schools, offices, shops and residential buildings needing a basic bell system.

## Long description

ORNO OR-DP-ML-131 is a wired wall-mounted bell designed to deliver a clear audible signal for entrances, classrooms, corridors and other fixed locations. The unit is a single-purpose bell intended for permanent installation where a reliable and simple signalling device is required. Its compact housing and straightforward wired connection make it suitable for environments that need a consistent mechanical or electronic bell sound without additional features.
Advantages
The ORNO wired wall-mounted bell offers dependable operation with a design focused on ease of installation and low maintenance. Its single-function construction reduces complexity and potential points of failure, providing a predictable signalling source. The product's compact form factor allows discreet mounting on walls in schools, offices, shops or residential common areas. Sound output is optimized for indoor spaces to ensure audibility without excessive volume.
Suitable for
School classrooms and corridors for lesson change signalling
Office entrances and reception areas to indicate arrivals
Retail shops and service counters for basic customer alerts
Residential building common areas for visitor notification
Key specifications
Mounting type: wall-mounted
Power: wired connection for fixed installation
Function: single-purpose audible bell for signalling
Sound output: clear audible signal suitable for indoor spaces
Design: compact, low-profile housing for discreet installation
How to use
Install the bell on a suitable interior wall where the sound can be heard throughout the intended area. Connect the wired power and trigger input according to local wiring regulations and the installation diagram supplied with the unit. After wiring, secure the housing and test the bell by activating the trigger to verify audibility and proper operation. For any adjustments to activation timing or integration with existing systems, consult an electrician or building maintenance specialist.
Usage recommendations
Place the bell at a central location on each floor or corridor to ensure even sound distribution. Avoid mounting inside enclosed cabinets or behind heavy obstacles that could muffle the sound. Regularly inspect wiring connections and the housing for dust or damage as part of routine maintenance to maintain reliable signalling performance.

## FAQ

### How much does the ORNO OR-DP-ML-131 wired doorbell / school bell cost, and is it available for purchase?

The price is 24.99 € (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 15.07.2026 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 ORNO 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 ORNO 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/10797780/60063664_large.webp