Reefmaster RM-4K UW Camera

Sale price$349.00 USD
In stock


The SeaLife RM-4K 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. The ultra-compact removable inner camera and a robust external housing that mounts easily to a light tray. The easy, 4-button control system makes catching the action an effortless process. The ReefMaster offers WiFi sharing ability, so you can wirelessly preview, download, and share pictures & videos to a smart phone or tablet with the free app from Google Play Store or Apple App Store.

The easy to hold ergonomic housing was especially designed for use underwater, while the housing is easy to hold and use even with one hand, the tough enclosure also features a unique closing system f a Pressure Lock thumb screw that exerts the optimal amount of pressure on the housings O-ring seal. The waterproof housing encases the small inner camera, and stores a powerful drying agent called Moisture Muncher (see SKU: SLFMMC) next to the camera that prevents internal fogging caused by heat and humidity trapped inside the housing.

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 all of your video content. It also has a time lapse function f shooting at set time intervals and saves as video file or series of still images. The compact RM-4K is easily expandable with popular SeaLife accessories, including one or two Sea Dragon Photo/Video/Dive lights (see SKU's: SLF740P, SLF964, SLF670, SLF673, SLF671, SLF672, SLF967, SLF674, SLF989), and the Super Macro Lens (see SKU: SL976). and available 10x close-up lens. Its 2.0" (5.1cm) 230K high resolution TFT color LCD screen creates a sharp and easily visible display on the small camera.

Panasonic CMOS image sensor for sharp colorful pictures and ultra-high definition 4K ultra HD video at 30fps and 1080p HD video at 60fps, its ultra-compact, portable design ensures that divers and snorkelers can take the ReefMaster anywhere, from a wet environment to 130' (40m) underwater. The camera captures brilliant 4K video with underwater color correction both deep and shallow. The 140 Degree fisheye lens allows a close approach to the subjects while still-keeping everything in the picture. Camera is powered by a removable lithium-ion rechargeable 950 mAh, 3.8V. 3.6Wh battery. The battery will provide up to 2+ hours (Approx. 500+ images) or 1.5 hours at 1080p and 1.2+ hours at 4K on a charge. Camera WiFi range is 100' (33m) on land It has a focus range of 12" (30cm) to infinity, is shockproof if dropped from 3' (1m) and UW housing w/inner camera and battery weighs 7.1 oz. (202 g). System is negatively buoyant 0.6 oz. (17 g) underwater. The ReefMaster RM-4K housing measure (L x W x H) 1.9" x 4.1" x 2.6" (4.9cm x 10.5cm x 2.6cm).Inner camera measures (L x W x H) 1.3" x 2.3" x 1.6" (3.3cm x 5.8cm x 4.1cm). Housing has a standard 1/4-20 tripod threads.

Focal length is 2.5 mm (35 film equivalent = 14mm), focus type is an instant fixed-focus lens. Camera shutter speed is 1/25 to 1/2000 second, shooting modes are single, burst (3, 7, 15 or 30 photos at 1 photo/sec), time lapse photo and time lapse video), white balance (WB) auto, underwater shallow, underwater deep, daylight, cloudy, tungsten, and fluorescent. ISO: Auto, 100, 200, 400, 800, 1600 and 3200. Exposure compensation: Exposure from -2.0 to +2.0 in 0.3 increments. Delay timer: Off, 2 sec and 10 sec. The camera's read/write speed is 10MB/s, PC connection: PC: Windows XP / 7 and up, MAC: OS 10.8 and up, Output ports: 1x USB 2.0 out (for charging battery and downloading to computer), 1x Micro HDMI out (for direct connection to HDTV). Operating temp: Land: 0 DegreeF to 120 DegreeF (-18 DegreeC to 50 DegreeC), Underwater: +33 DegreeF to +110 DegreeF(.5 DegreeC to 44 DegreeC) and Storage temp: -20 DegreeF to +140 DegreeF (-29 DegreeC to +60 DegreeC). The ReefMaster RM-4K includes the ReefMaster 4K inner camera, ReefMaster underwater camera housing, wrist strap, USB cable 30" (75cm), Moisture Muncher 1-capsule sampler and owner's manual.

This product can only be shipped to U.S. addresses.



Warranty Information

This product has a limited warranty of 12 months.



SeaLife ReefMaster RM-4K UW Camera Features

  • ReefMaster RM-4K UW Camera:
  • Ultra-Compact Underwater Camera
  • Pocket-Sized Design
  • 14-Megapixel Panasonic CMOS Image Sensor
  • Ultra-High Definition 4K 30fps Video, 1080p HD Video at 60fps
  • Depth Rating: 130' (40m)
  • Brilliant 4K Video w/Underwater Color Correction
  • 140 Degree Fisheye Lens: Allows Close Approach to Subjects While Keeping Everything-in-Picture
  • Focus Range: 12" (30cm) to Infinity
  • Easy to Hold & Use w/One Hand
  • Unique Closing System: Pressure Lock Thumb Screw
  • Small Inner Camera
  • Moisture Muncher: Prevents Internal Fogging Caused by Heat & Humidity
  • External Housing Mounts Easily to Light Tray w/Standard 1/4-20 Tripod Threads
  • Easily Hand-Held Contoured Ergonomic Body
  • 4--Button Control System Makes Catching Action Effortless Process
  • Wi-Fi Sharing Ability:
    Wirelessly Preview, Download & Share:
    Pictures & Videos to Smart Phone or Tablet
    Free App from Google Play Store or Apple App Store
  • Expandable Memory w/Optional Micro SDHC Memory Cards Up to 128GB
  • Room to Shoot & Save All-of-Your-Video Content
  • Time Lapse Function:
    Shooting at Set Time Intervals
    Saves-As Video File or Series of Still Images
  • Easily Expandable w/Popular SeaLife Accessories
  • Power: Removable Lithium-Ion Rechargeable 950 mAh, 3.8V. 3.6Wh Battery
  • Battery Life: Up to 2+ Hours (Approx. 500+ Images) or 1.5 Hours at 1080p & 1.2+ Hours at 4K
  • Compatible Accessories:
    Sea Dragon Photo/Video/Dive Lights:
    See SKU's: SLF740P, SLF964, SLF670
    SLF673, SLF671, SLF672
    SLF967, SLF674, SLF989
    Super Macro Lens See SKU: SL976
  • 2.0" (5.1cm) 230K High Resolution TFT Color LCD Screen
  • LCD Screen Creates Large, Vibrant & Easily Visible Display on Small Camera
  • WiFi Range:100' (33m) On-Land
  • Focal Length: 2.5 mm (35 film equivalent = 14mm)
  • Focus Type: Instant Fixed-Focus Lens
  • Shutter Speed: 1/25 to 1/2000 Second
  • Shooting Modes:
    Single, Burst (3, 7, 15 or 30 photos at 1 photo/sec)
    Time Lapse Photo & Video)
    White Balance (WB): Auto, Underwater Shallow & Deep
    Daylight, Cloudy, Tungsten, & Fluorescent
  • ISO: Auto, 100, 200, 400, 800, 1600 & 3200
  • Exposure Compensation: Exposure from -2.0 to +2.0 in 0.3 Increments
  • Delay Timer: Off, 2 sec & 10 sec.
  • Read/Write Speed: 10MB/s
  • PC Connection: PC: Windows XP / 7 & Up, MAC: OS 10.8 & Up
  • Output Ports:
    1x USB 2.0 Out (for charging battery and downloading to computer)
    1x Micro HDMI Out (for direct connection to HDTV)
  • Operating Temp:
    Land: 0 DegreeF to 120 DegreeF (-18 DegreeC to 50 DegreeC)
    Underwater: +33 DegreeF to +110 DegreeF(.5 DegreeC to 44 DegreeC)
    Storage: -20 DegreeF to +140 DegreeF (-29 DegreeC to +60 DegreeC)
  • Dimensions (L x W x H):
    Housing: 1.9" x 4.1" x 2.6" (4.9cm x 10.5cm x 2.6cm)
    Inner Camera (L x W x H) 1.3" x 2.3" x 1.6" (3.3cm x 5.8cm x 4.1cm)
  • Weight: 7.1 oz. (202 g) Housing w/Inner Camera & Battery
  • Buoyancy: Negative 0.6 oz. (17 g)
  • Includes: Wrist Strap, USB Cable, Moisture Muncher, Owner's Manual

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