---
product_id: 310195198
title: "SeaLife ReefMaster RM-4K Underwater Action Camera with 4K Video and 14mp Still Images, Underwater Scene Modes, Wide Angle Lens, Waterproof to 40M/130’"
brand: "sealife"
price: "738 kr"
currency: DKK
in_stock: false
url: https://www.desertcart.dk/products/310195198-sealife-reefmaster-rm-4k-underwater-action-camera-with-4k-video
store_origin: DK
region: Denmark
---

# Waterproof 40M 4K Video 14MP Sensor SeaLife ReefMaster RM-4K Underwater Action Camera with 4K Video and 14mp Still Images, Underwater Scene Modes, Wide Angle Lens, Waterproof to 40M/130’

**Brand:** sealife
**Price:** 738 kr
**Availability:** ❌ Out of Stock

## Summary

> 🌊 Dive into Adventure with the SeaLife RM-4K!

## Quick Answers

- **What is this?** SeaLife ReefMaster RM-4K Underwater Action Camera with 4K Video and 14mp Still Images, Underwater Scene Modes, Wide Angle Lens, Waterproof to 40M/130’ by sealife
- **How much does it cost?** 738 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/310195198-sealife-reefmaster-rm-4k-underwater-action-camera-with-4k-video)

## Best For

- sealife enthusiasts

## Why This Product

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

## Key Features

- • **Share Instantly:** Wi-Fi enabled for quick sharing to your smartphone or tablet.
- • **Effortless Control:** Navigate easily with a user-friendly 4-button system.
- • **Capture Every Moment:** Experience stunning 14MP stills and 4K video in a compact design.
- • **Expand Your Creativity:** Compatible with SeaLife accessories for limitless possibilities.
- • **Dive Deep with Confidence:** Waterproof up to 40 meters, perfect for underwater adventures.

## Overview

The SeaLife ReefMaster RM-4K is a compact underwater action camera that captures stunning 14MP still images and 4K video. Designed for underwater enthusiasts, it features a waterproof housing, easy controls, and Wi-Fi sharing capabilities, making it the perfect companion for your aquatic adventures.

## Description

desertcart.com : SeaLife ReefMaster RM-4K Underwater Action Camera with 4K Video and 14mp Still Images, Underwater Scene Modes, Wide Angle Lens, Waterproof to 40M/130’ : Electronics

## Features

- 14mp CMOS IMAGE SENSOR: The SeaLife RM-4K underwater camera features brilliant 14mp still images and vivid 4K video in an incredibly small package that's easy to hold and use alone or with attached lights like the SeaLife Sea Dragon
- TOUGH, WATERPROOF HOUSING: The ergonomic housing is easy to hold and use even with one hand, the tough enclosure also features a unique closing system that exerts the optimal amount of pressure on the housings O-ring seal
- EASILY EXPANDABLE: The compact RM-4K is easily expandable with SeaLife accessories and Sea Dragon underwater lighting, the housing features a standard ¼-20 mount that fits on all popular lights and trays. Add lenses with SeaLife’s available Super Macro, Close-up and Wide Angle lenses
- EFFORTLESS CONTROL: The easy, 4-button control system makes catching the action an effortless process and navigating the camera menu easy. The RM-4K camera’s electronic image stabilization reduces vibration and hand movement for smooth video recording
- WI-FI SHARING ABILITY: You can wirelessly preview, download and share pictures & videos to a smart phone or tablet with the SeaLife “ReefMaster" app (free download from Google Play Store or Apple App Store)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Auto Focus Technology | Contrast Detection |
| Aspect Ratio | 16:9 |
| Photo Sensor Technology | CMOS |
| Effective Still Resolution | 14 MP |
| Maximum Webcam Image Resolution | 14 MP |
| White balance settings | Auto, Daylight, Cloudy, Flash torch |
| Image Stabilization | electronic |
| Video Capture Format | MP4 |
| Video Capture Resolution | 2160p |
| Item Dimensions LxWxH | 1.9 x 4.1 x 2.6 inches |
| Item Weight | 7.1 Ounces |
| Shooting Modes | Time Lapse |
| Display Type | LCD |
| Lens Type | Zoom |
| Maximum Aperture | 2 f |
| Compatible Mountings | Micro Four Thirds |
| Maximum Focal Length | 30 |
| Minimum Focal Length | 30 |
| Batteries Required? | Yes |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Are Batteries Included | Yes |
| Rechargeable Battery Included | No |
| Battery Cell Composition | Lithium Ion |
| Battery Weight | 20 Grams |
| Battery Life | 25000 Hours |
| Removable Memory | microSDHC |
| Target Gender | Unisex |
| Audio Input | Microphone |
| Connectivity Technology | Wi-Fi, USB |
| Continuous Shooting Speed | 30 fps |
| Wireless Communication Technology | Wi-Fi |
| Flash Memory Type | Micro SDHC |
| Special Feature | Live View |
| Water Resistance Level | Waterproof |
| Form Factor | Compact |
| Hardware Interface | microSDHC, SDXC |
| Photo Sensor Technology | CMOS |

## Product Details

- **Brand:** SeaLife
- **Color:** Black
- **Material:** Aluminum, Polycarbonate (PC)
- **Mounting Type:** Standard 1/4-20 tripod threads
- **Water Resistance Level:** Waterproof

## Images

![SeaLife ReefMaster RM-4K Underwater Action Camera with 4K Video and 14mp Still Images, Underwater Scene Modes, Wide Angle Lens, Waterproof to 40M/130’ - Image 1](https://m.media-amazon.com/images/I/51WARl3eBNL.jpg)
![SeaLife ReefMaster RM-4K Underwater Action Camera with 4K Video and 14mp Still Images, Underwater Scene Modes, Wide Angle Lens, Waterproof to 40M/130’ - Image 2](https://m.media-amazon.com/images/I/71PpwnIqS7L.jpg)
![SeaLife ReefMaster RM-4K Underwater Action Camera with 4K Video and 14mp Still Images, Underwater Scene Modes, Wide Angle Lens, Waterproof to 40M/130’ - Image 3](https://m.media-amazon.com/images/I/71WOeff5PgL.jpg)
![SeaLife ReefMaster RM-4K Underwater Action Camera with 4K Video and 14mp Still Images, Underwater Scene Modes, Wide Angle Lens, Waterproof to 40M/130’ - Image 4](https://m.media-amazon.com/images/I/81-jq-LjECL.jpg)
![SeaLife ReefMaster RM-4K Underwater Action Camera with 4K Video and 14mp Still Images, Underwater Scene Modes, Wide Angle Lens, Waterproof to 40M/130’ - Image 5](https://m.media-amazon.com/images/I/8115qmExLZL.jpg)

## Frequently Bought Together

- SeaLife ReefMaster RM-4K Underwater Action Camera with 4K Video and 14mp Still Images, Underwater Scene Modes, Wide Angle Lens, Waterproof to 40M/130’
- Moisture Muncher Capsules
- Battery for RM-4K Camera (Li-ion, 3.8V, 900mAh)

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**Shop now:** [https://www.desertcart.dk/products/310195198-sealife-reefmaster-rm-4k-underwater-action-camera-with-4k-video](https://www.desertcart.dk/products/310195198-sealife-reefmaster-rm-4k-underwater-action-camera-with-4k-video)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-02*