# COOLHOOD 156DM4 15.6-inch 1080p IPS Portable Monitor

The COOLHOOD 156DM4 portable monitor pairs a 15.6-inch IPS display with USB-C and Mini HDMI connectivity. Its Full HD resolution and 60 Hz refresh rate suit a portable second screen for compatible laptops, phones and consoles, but it needs external power and a suitable USB-C video output for single-cable use.

- [Original product page](https://bargainpostbox.co.uk/product/coolhood-156dm4-15-6-inch-portable-monitor)
- [View offer](https://bargainpostbox.co.uk/visit/coolhood-156dm4-15-6-inch-portable-monitor)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: COOLHOOD
- Model: 156DM4
- Category: Computers > Computer Monitors
- Price: 53.97 GBP
- Previous price: 82.99 GBP
- Discount: 35%
- Price checked: 2026-11-12T15:04:20.641Z
- Rating: 4.6 / 5
- Reviews: 853

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Matte 15.6-inch IPS display with 1920 x 1080 native resolution and 16:9 aspect ratio.
- USB-C and Mini HDMI connections are listed for use with compatible devices.
- The listing claims 400 Candela per Square Meter brightness, 178 Degrees viewing angle and HDR, LBL enhancement.
- The listing says the screen has no built-in battery and requires external power.

## Pros

- Full HD resolution gives a portable second screen a useful amount of desktop space.
- USB-C video and Mini HDMI provide options for compatible laptops, phones and consoles.
- At a listed net weight of 0.63kg, the monitor is intended to be carried between locations.

## Cons

- It has no built-in battery, so portable use depends on an external power source.

## Specifications

### Identity
- Brand: COOLHOOD
- Model: 156DM4
### Display and video
- Screen size: 15.6 Inches
- Screen technology listed: IPS
- Resolution: FHD Ultra Wide 1080p
- Maximum display resolution: 1920 x 1080 Pixels
- Native resolution: 1920x1080
- Aspect ratio: 16:9
- Screen surface: Matte
- Contrast ratio: 3000:1
- Refresh rate: 60 Hz
- Response time: 3 Milliseconds
- Viewing angle: 178 Degrees
- Brightness: 400 Candela per Square Meter
- Colour gamut value: 100.0
- Picture enhancement: HDR, LBL
- Adaptive sync: FreeSync
### Connectivity and compatibility
- Connectivity: HDMI, USB Type C
- HDMI port count: 1
- Video out port count: 2
- Compatible devices: Gaming Console, Laptop, Smartphone
### Dimensions and installation
- Dimensions (D x W x H): 36D x 25.5W x 1.3H centimetres
- Mounting types listed: Desk Mount
### Other details
- Colour: BLACK
- Warranty: 2 Years Manufacturer Warranty
- Country of origin: China

## Before you buy

- Single-cable USB-C use requires a device port supporting Thunderbolt 3/4 or USB 3.1 Type-C/3.2. The listing recommends separate monitor power to retain settings and maintain power during use.
- Listing details are inconsistent: the title and feature copy identify IPS, while specifications separately call the display LCD. The listing describes 1080p as “FHD Ultra Wide” despite giving a 16:9 ratio, and gives both 1920 x 1080 Pixels and 1920x1080 for resolution. Confirm the panel and resolution details if these distinctions matter. The cover is described as glued to the back and not recommended for removal.

## A good fit for

- Laptop users who want a portable Full HD second screen and have compatible USB-C video output or Mini HDMI.
- People connecting a compatible smartphone or gaming console who can provide external power.

## Less suited to

- Anyone needing a monitor that operates without a separate power source.
- Buyers whose device lacks a compatible video output and who need a plug-in connection without checking compatibility.

## Customer feedback

Customer feedback highlights perceived sharp picture quality, portability, ease of setup and connections with devices such as MacBooks and phones. These reports align with the listed Full HD resolution, 0.63kg net weight and USB-C and Mini HDMI connectivity, though compatibility still depends on the source device and power is required. Feedback also mentions included cables, but the package contents are not explicitly inventoried. Aggregate ratings are largely five-star, with a smaller one-star share, so individual experiences may differ.
- Positive themes: Customers mention sharp picture quality and find the monitor easy to carry.
- Positive themes: Feedback describes straightforward setup and use with devices including MacBooks and phones.
- Positive themes: Customers mention receiving different cables.

## Frequently asked questions

### Does the COOLHOOD 156DM4 have a built-in battery?
No. The feature text says it has no built-in battery and requires external power.
### Can it connect with one USB-C cable?
The listing says one-cable use is possible when the source device supports Thunderbolt 3/4 or USB 3.1 Type-C/3.2. It recommends separate power for the monitor during use.
### What resolution does the monitor support?
The listing gives a native resolution of 1920x1080 and a maximum display resolution of 1920 x 1080 Pixels. It also uses the wording “FHD Ultra Wide 1080p”, so buyers should confirm the panel details if that description matters.
### Is it suitable for travel?
The listing describes it as portable and gives a net weight of 0.63kg. It still needs external power, so a power source must be available at the destination.

## Alternative options

- [COOLHOOD Portable Monitor 15.6'', 1080P FHD Plug&Play Travel Laptop Monitor w/Smart Cover, USB-C HDR Portable Second Computer Display, Portable Game External Screen for PC Phone Mac Xbox PS4/5](https://bargainpostbox.co.uk/visit/coolhood-156dm4-15-6-inch-portable-monitor)
- [HONGO Portable Monitor 15.6'', Laptop Screen Extender, 1080P FHD Plug&Play Travel Laptop Monitor w Foldable Stand, USB-C HDMI Portable Game External Screen for PC Mobile Phone PS4 PS5 Xbox Series X S](https://bargainpostbox.co.uk/visit/coolhood-156dm4-15-6-inch-portable-monitor)
- [KEEPTIME 15.6 Inch Portable Monitor with Adjustable Arm Stand, 1080P IPS 60Hz USB-C and Mini HDMI Second Display for Laptop, Landscape and Portrait Setup for Home Office, Study and Business Travel](https://bargainpostbox.co.uk/visit/coolhood-156dm4-15-6-inch-portable-monitor)
- [Blackview Dual Laptop Screen 15.6" FHD IPS - Ultra Thin 4.5mm & Lightweight 1kg, TÜV SÜD Low Blue Light Eye-Care 16:10 Triple Portable Monitor, Play for Laptop/PC/Mac/Phone/game console](https://bargainpostbox.co.uk/visit/coolhood-156dm4-15-6-inch-portable-monitor)
- [Yodoit Portable Monitor 15.6" FHD 1920x1080P IPS Second External Display \| USB-C & miniHDMI Ports, Built-in Speakers, with Smart Cover for PC, Laptop, MacBook, Gaming Device](https://bargainpostbox.co.uk/visit/coolhood-156dm4-15-6-inch-portable-monitor)
- [DHPL Portable Monitor for Laptop 15.6" FHD 1080P, Anti-Glare Second Screen \| IPS Matte, 700g Ultra-Slim, USB-C & HDMI, Built-in Speakers, Smart Cover, VESA 75x75, for MacBook PC Switch PS5 also](https://bargainpostbox.co.uk/visit/coolhood-156dm4-15-6-inch-portable-monitor)
- [Teamgee 15.6" Laptop Screen Extender, Ultra-Thin 1080P FHD IPS Portable Monitor for Laptop 13"-17" Laptops, HDMI/USB-C Plug & Play Dual Screen Work for Windows/Mac/Android/Switch/PS5](https://bargainpostbox.co.uk/visit/coolhood-156dm4-15-6-inch-portable-monitor)
- [HONGO 15.6'' Portable Monitor, Laptop Screen Extender, 1080P FHD Plug&Play Travel Laptop Monitor w Foldable Stand, USB-C HDMI Portable Game External Screen for PC Mobile Phone PS4 PS5 Xbox Series X S](https://bargainpostbox.co.uk/visit/coolhood-156dm4-15-6-inch-portable-monitor)
- [KPKUE Portable Monitor 15.6''1080P FHD IPS Plug & Play ，Travel Monitor with USB-C/Mini HDMI Port,Compatible with PC/Laptop/Mac/Phone/Switch/Xbox/PS4/5](https://bargainpostbox.co.uk/visit/coolhood-156dm4-15-6-inch-portable-monitor)
- [EVICIV Portable Monitor 15.6" 1080P, FHD Travel Monitor for Laptop, IPS Portable Screen w/VESA & Kickstand, USB-C Mini HDMI External Screen for Laptop/PC/Phone, Compatible with PS3/4/5/Xbox/Switch](https://bargainpostbox.co.uk/visit/coolhood-156dm4-15-6-inch-portable-monitor)
- [ARZOPA 16.1" Portable Monitor, 1920×1080 FHD IPS Portable Monitor for Laptop with Single-rod, Support HDMI/Type-C/USB-C, Eye Protection Gaming Screen for Laptop/PC/Mac/PS3/4/5/Xbox](https://bargainpostbox.co.uk/visit/coolhood-156dm4-15-6-inch-portable-monitor)
- [CUIUIC 18.5 Inch Portable Monitor, 120Hz 1080P IPS Portable Screen for Laptop, Travel Monitor with HDR 100% sRGB VESA, Second Screen for Laptop, PS5, Xbox, Phone](https://bargainpostbox.co.uk/visit/coolhood-156dm4-15-6-inch-portable-monitor)

## Add-ons

- [LISEN for iPad Tablet Stand for Desk Portable Monitor Stand iPad Holder \| Home Office Must Haves Office iPad Accessories for Fire HD/Lenovo Tab M11/Samsung Galaxy Tab and Others 4"-15.9"](https://bargainpostbox.co.uk/visit/lisen-2e56-adjustable-tablet-stand)

## Images

![COOLHOOD 156DM4 15.6-inch 1080p IPS Portable Monitor — 1](https://bargainpostbox.co.uk/i/X4J5S6F9LKmStrP4s-fFKk-hOckpypxpJzoLU3YPt9Sj0yJZ2tOXdNnIeFU20KWRONSJZYJHTY8-jVOzh7yEfRWE_O6A3IWtB9O8F1_erqaV60vqnfYAE8lZ.jpg)

![COOLHOOD 156DM4 15.6-inch 1080p IPS Portable Monitor — 2](https://bargainpostbox.co.uk/i/e2UNvElUJJGo1wIqCQw-NVcfTcfec2v1BuvfTa7LYcugsH2uC1n1vcFlyJVAx6ek6ow_RJVD0gQnm_9tGigR3htVFuquggDQziq7JR98zhvKoP6r_u4VbUrp.jpg)

![COOLHOOD 156DM4 15.6-inch 1080p IPS Portable Monitor — 3](https://bargainpostbox.co.uk/i/hbv2ms61_PtvGPWqhavAn8AfXI_f5MrX_v0jKofuonWYDAsHBldjkesnb5MHB4jvEXmmfo5tSKlVjgeexXMsUeq2lhjsETyyQJhVeY2l5qNNNHyjQ0mKLBT5.jpg)

![COOLHOOD 156DM4 15.6-inch 1080p IPS Portable Monitor — 4](https://bargainpostbox.co.uk/i/gt6-vy_1ERXmmP_MBk1hbgVgdUGuDcX8AdZXDZk7D1qKwhkAk4_KSiMiE8xJtRR58tXenCvrvVVV0KtUxz2Nb3vREssFtnNlO5H04Y2fzmSmvPnat-rnEzay.jpg)

![COOLHOOD 156DM4 15.6-inch 1080p IPS Portable Monitor — 5](https://bargainpostbox.co.uk/i/vk4whYWled8OMEbUdy-uWDhrBu-UbBowOgnwDe49YR3qG3Puvy6xid_iDM6sm4mNTvHV7q0HtBIA9bv8ZGsI7d6nS3Aj_KrRzhnRMHW0sOD-SB5PMq6VsrHc.jpg)

![COOLHOOD 156DM4 15.6-inch 1080p IPS Portable Monitor — 6](https://bargainpostbox.co.uk/i/bHU3mrKlY361fM9PL5oxSGJSxp5hiYb4sU7kBXsYTTSZcUVYs6VdCdC0SAheLv1CiDcbTIA6hAl3tALvlEhLM3Xdmf9k8w-m0fV-b1PPaZ-6_jjOMRZrolYF.jpg)

![COOLHOOD 156DM4 15.6-inch 1080p IPS Portable Monitor — 7](https://bargainpostbox.co.uk/i/XKdjcXw4uPqAq6S111jl0bBT8jTdH4-qoEP3Haoah94tXcy33nlHD8QmorJYh1FF4tEk4YOGVJVodIov8xesY72WorEbm7TcgFaqvL5r9K-Iz2X1UwbNJVFp.jpg)