---
product_id: 81009998
title: "LEO Metal Automatic School Bell Timer & Siren NAT100HS (Combo) - Grey"
brand: "leo"
price: "31342 kr"
currency: ISK
in_stock: true
reviews_count: 1
category: "Leo"
url: https://www.desertcart.is/products/81009998-leo-metal-automatic-school-bell-timer-and-siren-nat100hs-combo
store_origin: IS
region: Iceland
---

# 50 alarms/day precision Siren range up to 1 km 1-year holiday scheduling LEO Metal Automatic School Bell Timer & Siren NAT100HS (Combo) - Grey

**Brand:** leo
**Price:** 31342 kr
**Availability:** ✅ In Stock

## Summary

> ⏳ Ring in flawless schedules, because every second counts!

## Quick Answers

- **What is this?** LEO Metal Automatic School Bell Timer & Siren NAT100HS (Combo) - Grey by leo
- **How much does it cost?** 31342 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/81009998-leo-metal-automatic-school-bell-timer-and-siren-nat100hs-combo)

## Best For

- leo enthusiasts

## Why This Product

- Trusted leo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Power Outage Proof:** Settings and real-time clock saved for 3 years even during power failures—never miss a bell.
- • **Long-Range Siren Impact:** Crystal-clear siren sound reaches up to 1 kilometer, ensuring every corner hears the call.
- • **User-Friendly Interface:** Elegant LCD display with alarm copy-paste functionality for quick, hassle-free programming.
- • **Precision Timing Mastery:** Program up to 50 alarms daily with 5 distinct ring durations to perfectly segment your school day.
- • **Versatile Mode Selection:** Switch effortlessly between Summer, Winter, and Exam modes to match your institution’s schedule.

## Overview

The LEO Metal Automatic School Bell Timer & Siren NAT100HS is a robust, metal-encased timer system designed for schools and industries. It supports up to 50 alarms per day with customizable ring durations and modes, features a siren audible up to 1 km, and retains settings for 3 years during power outages. Its user-friendly LCD and programmable options make it a reliable automation tool for managing daily schedules efficiently.

## Description

sales package includes 2 qty (Timer and siren) Based on the latest microcontroller technology. Automatic Bell Timer System is an elegant device, especially designed to ring the Schools/Colleges/Industry Bell automatically. There is no need to assign an individual for ringing the bell, at different times during the day. A user can program various timings of the periods, Short breakes, etc. With the provision of 30 bells/day, a user can set the length of each bell separately (5 types) , to identify different bells at different times, for example, separate bell for assembly, separate bell for recess, separate for periods, etc. It has a crystal-clear LCD display, which helps the user to read & set various parameters easily. In case of power failure, all settings and Real Time Clock, are saved for 3 years. Note - Ringer/Hooter/Siren is not included with the device. A separate 230V AC Siren needs to be connected to the device.

Review: worst product. - Not working....

## Features

- sales package includes 2 qty (Timer and siren)
- 50 alarm per day,350 alarm per week,
- 5 Type ring duration,1 year holiday setting option
- It has Alarm Copy & Paste Option
- Siren Sound range upto 0.5 kilometer to 1 kilometer
- Summer,Winter,Exam Mode Option

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07CQFFQG7 |
| Best Sellers Rank | #186,847 in Home Improvement ( See Top 100 in Home Improvement ) #16,810 in Home Improvement Electrical |
| Brand | LEO |
| Colour | grey |
| Country of Origin | British Indian Ocean Territory |
| Customer Reviews | 1.0 out of 5 stars 1 Review |
| Enclosure Material | Metal |
| Included Components | one Siren |
| Item Dimensions D x W x H | 15D x 30W x 19H Centimeters |
| Item Height | 19 Centimeters |
| Item Type Name | timer |
| Item Weight | 2 Kilograms |
| Manufacturer | LEO, LEO Electronics. 123/A, Bagewadi Compound, PB Road, Near Mahadik petrol pump, shiroli(P), Maharashtra, 416122. www.leoproducts.in |
| Manufacturer Contact Information | LEO Electronics. 123/A, Bagewadi Compound, PB Road, Near Mahadik petrol pump, shiroli(P), Maharashtra, 416122. www.leoproducts.in |
| Material | Metal |
| Number of settings | 5 |
| Product Dimensions | 15D x 30W x 19H Centimeters |

## Product Details

- **Colour:** grey
- **Brand:** LEO
- **Material:** Metal
- **Product Dimensions:** 15D x 30W x 19H Centimeters
- **Item Weight:** 2 Kilograms

## Images

![LEO Metal Automatic School Bell Timer & Siren NAT100HS (Combo) - Grey - Image 1](https://m.media-amazon.com/images/I/21WDcsD-ShL.jpg)
![LEO Metal Automatic School Bell Timer & Siren NAT100HS (Combo) - Grey - Image 2](https://m.media-amazon.com/images/I/41OPxFL15hL.jpg)
![LEO Metal Automatic School Bell Timer & Siren NAT100HS (Combo) - Grey - Image 3](https://m.media-amazon.com/images/I/71p39lBznYL.jpg)
![LEO Metal Automatic School Bell Timer & Siren NAT100HS (Combo) - Grey - Image 4](https://m.media-amazon.com/images/I/912V7mua+yL.jpg)

## Customer Reviews

### ⭐ worst product.
*by N***A on 23 September 2019*

Not working....

## Frequently Bought Together

- LEO Metal Automatic School Bell Timer & Siren NAT100HS (Combo) - Grey
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**Shop now:** [https://www.desertcart.is/products/81009998-leo-metal-automatic-school-bell-timer-and-siren-nat100hs-combo](https://www.desertcart.is/products/81009998-leo-metal-automatic-school-bell-timer-and-siren-nat100hs-combo)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-11*