Trending:
coffee
power bank
bag
cuisinart

Trending

  • coffee
  • power bank
  • bag
  • cuisinart
  • pet
  • cbjfe cbax
  • food
  • kind bars
  • sonos
  • heating pad
  • Best Sellers
  • New Arrivals
  • Clearance
  • Membership
  • Your Account
  • Support

Account

  • Sign in with Email
  • Sign in with Apple
  • Sign in with Facebook
  • By continuing, you agree to our terms of use and privacy policy.

Help

  • Support
  • Frequently Asked Questions
  • Warranty & Returns

Membership

$8.99/month gets you free shipping and more.

  • What Is Membership?
  • Become a Member

Search

  • Trending

    • coffee
    • power bank
    • bag
    • cuisinart
    • pet
    • cbjfe cbax
    • food
    • kind bars
    • sonos
    • heating pad

Market

  • Best Sellers
    1. 80-Pack: KIND Healthy Grains Energy Bars 100+ Sold
    2. 2-Pack: TYLT 24oz Power Water Bottle with Built-In Phone Chargers
    3. Fanttik S1 Pro Cordless Electric Screwdriver
    4. 10-Pack: SkinnyDipped Almonds
    5. 6-Pack: Arm & Hammer Power Sheets Laundry Detergent
    6. 120-Pack: Prime Hydration+ Sticks
    7. 144-Pack: KIND Minis Peanut Butter Dark Chocolate
    8. Sonos One SL Wireless Speaker (Certified Renewed)
    9. 4-Pack: Vega Protein + Supergreens
    10. Cubitt Terra Military Grade Advanced Smartwatch
  • New Arrivals
    1. 2-Pack: AXL Telescoping Tactical Flashlight NEW 15 hours ago
    2. American Tourister Cascade 2-Piece Hardside Spinner Luggage Set NEW 15 hours ago
    3. Hakol 4-In-1 2000mAh Smoke & Carbon Monoxide Detector NEW 15 hours ago
    4. Iron Saints Our Father Prayer Cross Necklace NEW a day ago
    5. Iron Saints Stainless Steel Necklace NEW a day ago
    6. Iron Saints Braided Leather Bracelet NEW a day ago
    7. Iron Saints Lion Chain Bracelet NEW a day ago
    8. Gucci Rectangular Transparent Blue Tortoiseshell Sunglasses NEW 3 days ago
    9. Steeltime Mens Vegan Leather Prayer Belt
    10. Geniani 4L Ultrasonic Cool Mist Humidifier
  • Clearance
    1. GUCCI Large Gold Hexagonal Sunglasses 1 left
    2. Nature's Craft Liquid Vegan B Complex Drops
    3. 2-Pack: NAK Hair Volume Shampoo + Conditioner
    4. 2-Pack: Jill & Ally Pickleball Paddles
    5. Eddie Bauer Women's Sherpa Lined Clog Slippers
    6. 30-Pack: PRIME Hydration+ Sticks
    7. 3-Pack: Cut The Bull Protein Single-Ingredient Protein Powder (Best by Feb 2026) 7 left
    8. Concierge Collection Muslin Cotton Throw
    9. 2-Pack: Bethlehem Lights Multi-Purpose Holiday Storage Box
    10. Mr. Christmas Illuminated Nostalgic Wooden Storefronts
  • SideDeal
  • SideDeal Market

Hakol 4-In-1 2000mAh Smoke & Carbon Monoxide Detector

Product image Product image Product image Product image Product image Product image Product image Product image Product image

  1. Product image
  2. Product image
  3. Product image
  4. Product image
  5. Product image
  6. Product image
  7. Product image
  8. Product image
  9. Product image
$60 save 57%
$25.99

Protect what matters most with the HAKINAKU 4-in-1 CO & Smoke Detector, designed to monitor carbon monoxide, smoke, temperature, and humidity in real time. Featuring a clear 2.1” HD display, loud 85dB alarm, plug-and-play setup, and a built-in 2000mAh rechargeable backup battery for up to 120 hours of protection during power outages, it delivers reliable, around-the-clock safety for your home and family.

Features

  • The HAKINAKU 4-in-1 detector integrates carbon monoxide, smoke, temperature, and humidity sensors to monitor your indoor air quality and safety in real time
  • Designed with a US standard plug compatible with 110V–220V outlets, it works instantly when plugged into bedrooms, kitchens, living rooms, basements, or hotel rooms
  • A built-in rechargeable lithium battery provides up to 120 hours of backup power during outages while saving on costly disposable battery replacements
  • The clear HD screen shows real-time data including CO levels (ppm), smoke indicator bar, humidity, temperature, alarm status, and warning icons for quick and easy reading
  • Featuring independent smoke and CO sensors with a loud 85dB alarm, this detector continuously safeguards your home environment for added peace of mind

Specifications

Detection Functions Carbon monoxide (CO), Smoke, Temperature, Humidity
Sensor Type Independent CO Sensor and Smoke Sensor
Display 2.1-Inch HD Digital Screen
Power Supply Plug-In AC Power (110V–220V)
Backup Battery Built-in 2000mAh Rechargeable Lithium Battery
Backup Working Time Up to 120 hours
Alarm Volume 85 dB

What’s included?

  • 1x Hakol 4-In-1 2000mAh Smoke & Carbon Monoxide Detector

Warranty

90 days

Estimated Delivery Date

Tuesday, Mar 10 - Thursday, Mar 12

More From New Arrivals

2-Pack: AXL Telescoping Tactical Flashlight
$80 2 for $27.99 save 65%

2-Pack: AXL Telescoping Tactical Flashlight

American Tourister Cascade 2-Piece Hardside Spinner Luggage Set
$250 $129.99 save 48%

American Tourister Cascade 2-Piece Hardside Spinner Luggage Set

Iron Saints Our Father Prayer Cross Necklace
$34 $11.99 save 65%

Iron Saints Our Father Prayer Cross Necklace

Iron Saints Stainless Steel Necklace
$50 $12.99 save 74%

Iron Saints Stainless Steel Necklace

Iron Saints Braided Leather Bracelet
$38 $14.99 save 61%

Iron Saints Braided Leather Bracelet

Iron Saints Lion Chain Bracelet
$38 $14.99 save 61%

Iron Saints Lion Chain Bracelet

Gucci Rectangular Transparent Blue Tortoiseshell Sunglasses
$635 $229.99 save 64%

Gucci Rectangular Transparent Blue Tortoiseshell Sunglasses

Steeltime Mens Vegan Leather Prayer Belt
$108 $21.99 save 80%

Steeltime Mens Vegan Leather Prayer Belt

Geniani 4L Ultrasonic Cool Mist Humidifier
$68 $29.99 save 56%

Geniani 4L Ultrasonic Cool Mist Humidifier

You May Also Like

Very Cuisinart

Very Cuisinart

From popcorn to pasta, they thought of everything.

Going Going GONE!

Going Going GONE!

Your excuse to finally snag that one thing before it disappears

Your Yard Called, It Needs These

Your Yard Called, It Needs These

Everything to make the neighbors slightly jealous.

Just $10 (or Less!)

Just $10 (or Less!)

Small prices, surprisingly solid upgrades for everyday life.

Modern Upgrades For A Smart House

Modern Upgrades For A Smart House

Automation you can brag about instead of troubleshoot

Cleaning Solutions for the Practically Messy

Cleaning Solutions for the Practically Messy

Make room for the life you’re actually living—clutter and all.

Fitness Gear for Fitness Fiends

Fitness Gear for Fitness Fiends

Gear up for workouts that don’t double as chores

Kitchen Staples, Not Gimmicks

Kitchen Staples, Not Gimmicks

Gadgets for making meals, snacks, and maybe memories, too

Stuff You'll Eat Eventually

Stuff You'll Eat Eventually

The kind of food savings that make buying extras feel responsible

Back to top

SideDeal

  • Best Sellers
  • New Arrivals
  • Clearance

Account

  • Sign in withEmail
  • Sign in withApple
  • Sign in withFacebook
  • By continuing, you agree to our terms of use and privacy policy.

Help

  • Frequently Asked Questions
  • Support
  • Warranty & Returns
  • Affiliates

Reviews

  1. Instant Regret Kit
    ★ ★ ★ ★ ★
    IRK lives up to its name

    I was excited when the box arrived. A little.disappointed when the box was very light. Had a laugh when this 70 yr old found 2 boxes of large condoms inside. There were also one green stripes t shirt (S), one card kit, and a silk screen kit. The grandkids should be happy with those items. Guess Nana will have to try again next time IRKs are offered.

  2. Instant Regret Kit
    ★ ★ ★ ★ ★
    I always feel I'm a winner better than going to the casino

    Sometimes I'm happy and sometimes I think this is going to be the last time I order but I look forward to every day I look to see when you're going to have a regret can't wait for the next one it's fun fun fun

  3. Instant Regret Kit
    ★ ★ ★ ★ ★
    Purchase lived up to its name!

    I got women's clothing and a box of condoms. No time like the present to start up a side hustle.

See more reviews → BBB Logo

Membership

$8.99/month membership gets you free shipping on these sites

  •  
  •  
  •  
  •  

Social Media

Copyright © 2026 SideDeal. All rights reserved. Privacy Policy | Terms of Use