---
product_id: 125306233
title: "Kidde 29HD Optical Smoke Alarm, White"
brand: "kidde"
price: "HK$432"
currency: HKD
in_stock: true
category: "Kidde"
url: https://www.desertcart.hk/products/125306233-kidde-29hd-optical-smoke-alarm-white
store_origin: HK
region: Hong Kong
---

# Photoelectric sensor 10-year battery life Easy installation Kidde 29HD Optical Smoke Alarm, White

**Brand:** kidde
**Price:** HK$432
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay safe, stay savvy — smoke alarm tech that works as hard as you do! 🔥

## Quick Answers

- **What is this?** Kidde 29HD Optical Smoke Alarm, White by kidde
- **How much does it cost?** HK$432 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/125306233-kidde-29hd-optical-smoke-alarm-white)

## Best For

- kidde enthusiasts

## Why This Product

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

## Key Features

- • **Instant Control:** Test, reset, and hush functions at your fingertips for effortless management and peace of mind.
- • **Hassle-Free Setup:** Battery operated with simple installation, perfect for busy professionals who value efficiency.
- • **Trusted Durability:** Backed by a 3-year warranty, ensuring long-term protection for your home and loved ones.
- • **Smart Smoke Detection:** Advanced photoelectric sensor quickly identifies smoke, reducing false alarms and enhancing safety.
- • **Decade-Long Peace of Mind:** Reliable 10-year battery life means no frequent replacements—set it and forget it.

## Overview

The Kidde 29HD Optical Smoke Alarm combines cutting-edge photoelectric sensing with a 10-year battery life and easy installation, delivering reliable fire detection and user-friendly controls. Designed for modern homes, it offers a 3-year warranty and hassle-free maintenance, making it an essential safety upgrade for any space.

## Description

Shop Kidde 29HD Optical Smoke Alarm, White. Free delivery on eligible orders of £20 or more.

## Features

- 10 Year Alarm Life
- Battery operated, easy installation
- Test reset hush button, 3 year Warranty
- Photoelectric sensor

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07PB5YTY4 |
| Alarm | Smoke Alarm |
| Best Sellers Rank | 102,836 in DIY & Tools ( See Top 100 in DIY & Tools ) 206 in Smoke Alarms |
| Brand | Kidde |
| Colour | White |
| Country of Origin | China |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,304) |
| Global Trade Identification Number | 00047871285280 |
| Included Components | 1 x 9V Battery, 1 x Optical Smoke Alarm |
| Item Dimensions D x W x H | 3.3D x 10W x 10H centimetres |
| Item Type Name | Smoke Alarm |
| Item Weight | 180 Grams |
| Manufacturer | Kidde |
| Manufacturer Warranty Description | 3 years. |
| Model Number | Kidde 29HD Smoke Alarm |
| Number of Items | 1 |
| Operating Humidity | 29HD |
| Part Number | 29HD |
| Power source | Battery Powered |
| Product Style | Display |
| Sensor Type | Photoelectric |
| UPC | 047871072729 047871285280 |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 40 Degrees Celsius |

## Product Details

- **Alarm:** Smoke Alarm
- **Brand:** Kidde
- **Colour:** White
- **Item weight:** 180 Grams
- **Operating humidity:** 29HD
- **Power source:** Battery Powered
- **Product dimensions:** 3.3D x 10W x 10H centimetres
- **Sensor type:** Photoelectric
- **Style:** Display
- **Upper temperature rating:** 40 Degrees Celsius

## Images

![Kidde 29HD Optical Smoke Alarm, White - Image 1](https://m.media-amazon.com/images/I/71eehkaO-IL.jpg)
![Kidde 29HD Optical Smoke Alarm, White - Image 2](https://m.media-amazon.com/images/I/41jEiz1QsjL.jpg)
![Kidde 29HD Optical Smoke Alarm, White - Image 3](https://m.media-amazon.com/images/I/51umyWwm6VL.jpg)
![Kidde 29HD Optical Smoke Alarm, White - Image 4](https://m.media-amazon.com/images/I/41I45ab7FqL.jpg)

## Questions & Answers

**Q: Do you need electricity to install this alarm?**
A: It is battery operated, they are supplied with the alarm. The unit has a recommended lifespan of 10 years

**Q: Optical = means it could only operate when it sees smoke ?? or will operate when sensing smoke**
A: Optical means the alarm contains a pulsed infrared LED which pulses a beam of light into the sensor chamber every 10 seconds to check for smoke particles.

**Q: Can this be installed using adhesive magnetic mounts?**
A: Yes, as long as you align the magnets correctly, the alarm is not very heavy, and the alarm replacement would be easy to replace.

**Q: Is this compatible with the kiddie model 0910 smoke alarm please?**
A: The mounting plate would need to be changed which is provided in the box with the 29HDRB

## Frequently Bought Together

- Kidde 29HD Optical Smoke Alarm, White
- Kidde 5CO Battery Powered Carbon Monoxide Alarm 10 Year Life

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**Shop now:** [https://www.desertcart.hk/products/125306233-kidde-29hd-optical-smoke-alarm-white](https://www.desertcart.hk/products/125306233-kidde-29hd-optical-smoke-alarm-white)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-05-22*