--- 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: "B/.1292" currency: PAB in_stock: true category: "Sea Life" url: https://www.desertcart.com.pa/products/310195198-sealife-reefmaster-rm-4k-underwater-action-camera-with-4k-video store_origin: PA region: Panama --- # Waterproof to 40m/130ft 4K ultra HD video 14MP CMOS 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:** B/.1292 **Availability:** ✅ In Stock ## Summary > 🌊 Dive Deep, Shoot Sharp, Share Fast! ## 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?** B/.1292 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/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 - • **Cinematic 4K Video:** Record ultra-smooth, vibrant 4K footage with electronic image stabilization—your dive stories deserve the best. - • **Dive-Ready Durability:** Waterproof housing rated to 40 meters with a pressure-lock seal keeps your gear safe and fog-free. - • **Instant Social Sharing:** Wi-Fi enabled for seamless preview, download, and sharing via the ReefMaster app—never miss a moment to flex. - • **Crystal-Clear 14MP Shots:** Capture every underwater detail with stunning 14MP stills that make your adventures pop. - • **Effortless One-Hand Control:** Intuitive 4-button interface designed for quick, confident operation even with gloves underwater. ## Overview The SeaLife ReefMaster RM-4K is a compact, rugged underwater camera system featuring a 14MP CMOS sensor and 4K video capture with electronic image stabilization. Its waterproof housing is rated to 40 meters and includes a unique pressure-lock seal and moisture control to prevent fogging. Designed for ease of use with a 4-button control system and expandable with SeaLife accessories, it also offers Wi-Fi connectivity for instant sharing via the ReefMaster app. Perfect for professional millennials seeking to elevate their underwater photography and social presence. ## Description The SeaLife RM-4K offers 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 SeaLife’s available range of Sea Dragon Photo and Video lights. The ultra-compact removable inner camera and a robust external housing mounts easily to a light or light tray. The easy, 4-button control system is easy to navigate and makes capturing underwater images and video an effortless process. The ReefMaster offers Wi-Fi sharing ability, so you can wirelessly preview, download and share pictures & videos to a smart phone or tablet with the free ReefMaster app. The ergonomic housing is especially designed for use underwater, and is easy to hold and use even with one hand. The tough and durable housing features a unique closing system with a "Pressure Lock" thumb screw that exerts the optimal amount of pressure on the housings O-ring seal. The waterproof housing encases the small RM-4K inner camera, and holds a powerful drying agent capsule called "Moisture Muncher" next to the camera that prevents internal fogging. With the expandable memory of the ReefMaster RM-4K, you can use Micro SDHC memory cards up to 128GB, ensuring you have room to shoot & save your video content. The ReefMaster RM-4K has a time lapse function, shooting at set time intervals and saves as video file or series of still images. Lighting is easy, use the ReefMaster RM-4K with Sea Dragon constant underwater LED photo/video lights (or other LED light sources). There's no flash or cable to sync to an external strobe. Simply turn your light on and adjust the intensity based on the subject, conditions and distance. The compact RM-4K is easily expandable with popular SeaLife accessories, including one or two Sea Dragon Photo/Video/Dive lights, and available 10x close-up, super macro or wide angle lenses. The 2.0" TFT color LCD display offers 230K resolution and is sharp and visible in all light conditions. ## 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 | |---------------|-------| | ASIN | B0779K8LPM | | Aspect Ratio | 16:9 | | Battery Average Life | 25000 hours | | Best Sellers Rank | #159,417 in Electronics ( See Top 100 in Electronics ) #129 in Underwater Photography Cameras | | Brand | SeaLife | | Built-In Media | ReefMaster RM-4K inner camera; ReefMaster underwater camera housing; Battery for ReefMaster RM-4K camera; Wrist strap; USB cable 30”/75cm (USB-A to micro-B); Moisture Muncher 1-capsule sample; Instruction manual | | Color | Black | | Continuous shooting speed | 30 frames_per_second | | Customer Reviews | 3.7 3.7 out of 5 stars (38) | | Effective Still Resolution | 14 mp | | Enclosure Material | Aluminum, Polycarbonate (PC) | | File Format | JPEG, RAW | | Global Trade Identification Number | 00077068413509 | | Image stabilization | electronic | | Item Dimensions D x W x H | 7.87"D x 5.91"W x 3.15"H | | Item Weight | 7.1 ounces | | Manufacturer | Sealife Cameras | | Manufacturer Part Number | 35.330.350 | | Maximum Shutter Speed | 0.00025 seconds | | Media Type | Micro SDHC, SDXC | | Minimum Shutter Speed | 0.001 seconds | | Model Number | SL350 | | Mounting Type | Standard 1/4-20 tripod threads | | Number of Items | 1 | | Self Timer Duration | 10 seconds | | Shooting Modes | Time Lapse | | UPC | 077068413509 | | Unit Count | 1 Count | | Video Capture Format | MP4 | | Video Capture Resolution | 4K | | Warranty Description | This product comes with a full manufacturer warranty. | | Water Resistance Level | Waterproof | ## 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/8115qmExLZL.jpg) ## Available Options This product comes in different **Style** options. ## 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) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.pa/products/310195198-sealife-reefmaster-rm-4k-underwater-action-camera-with-4k-video](https://www.desertcart.com.pa/products/310195198-sealife-reefmaster-rm-4k-underwater-action-camera-with-4k-video) --- *Product available on Desertcart Panama* *Store origin: PA* *Last updated: 2026-10-11*