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Navy action camera with front and rear screens

JOH A1 4K/60FPS Dual-Screen Action Camera Navy

SKU CH-0FNP-9SV33

Capture 4K video at 60FPS and 20MP photos with dual screens, waterproof to 16ft, voice control, WiFi, stabilization, two batteries and a 25-piece kit

  • Interface typeUSB 2.0
  • Connection typeUSB
  • Media formatsMP4, AAC
  • Product formatMP4
  • Supported resolutions4K
  • Video resolutionUp to 4K Video
  • Dual front and rear screens simplify framing for vlogging and selfies
  • 4K video at 60FPS and 20MP photos deliver detailed footage
  • Waterproof to 16ft without a case and 131ft with included housing
  • Electronic image stabilization plus slow-motion capture smooths action shots
  • Voice control and WiFi enable hands-free operation and quick sharing

Dual-Screen Action Camera for Vloggers and Divers

The JOH A1 records 4K video at up to 60 frames per second and captures 20-megapixel stills. Front and rear colour screens let you frame yourself or the scene without guesswork. It is built for travel, diving and outdoor sports where a handheld gimbal is impractical. Buyers who need interchangeable lenses or a larger sensor should look elsewhere.

25-Piece Kit Adds Mounts, Case and Spare Power

Two rechargeable batteries extend shooting time for long sessions. The waterproof housing pushes depth rating from 16 feet to 131 feet for serious diving. A microSD slot accepts cards up to 128 GB for hours of 4K footage. Voice control and Wi-Fi let you start recording or offload clips without touching the camera. Users who want built-in cellular upload or hot-swappable media cannot do that here.

USB 2.0 Interface Limits Transfer Speed

Video files write to the card in MP4 containers using AAC audio. Offloading footage to a computer runs at USB 2.0 rates, so moving large 4K files takes noticeably longer than on USB 3.0 or faster ports. The camera does not support direct streaming over the USB link. Editors who need rapid ingest of multi-gigabyte clips will find the bottleneck frustrating.

How it compares

Measured against everything we stock in Video Capture Cards & Boxes, at today’s prices. Recalculated every night.

Price $50.99
Pricier than about 55% of the 987 comparable items (median $43.99).

Specifications

Product
Brand nameJOH, Shenzhen HDKing Electronics Co., Ltd
Product lineA1
Model nameA1
Part numberA1
Product colorNavy
Display
Supported resolutions4K
Display type1.99 in, UHD
Audio & video
Media formatsMP4, AAC
Video resolutionUp to 4K Video
Audio formatsAAC
Zoom typeOptical
Video capabilities4K, MP4, MP4, AAC
SoundAAC
Digital audioAAC
Audio connectionSlow Motion
Connectivity
Connection typeUSB
Ports & slots
Interface typeUSB 2.0
USB connectionUsb
Card slotMicro SD
Component videoSlow Motion, Lightweight
Composite videoUSB
Additional connectorUSB
Compatibility
Compatible withSmartphone, Remote Control
More details
Product formatMP4

Questions about this item

How often will the rechargeable batteries need replacing with daily use?

Two rechargeable batteries are included; each can be swapped and recharged via the USB 2.0 cable so you only replace a cell when it no longer holds a useful charge.

At 4K/60FPS, which limit appears first — storage space or battery runtime?

A 128 GB microSD card fills after several hours of 4K/60FPS footage, while each battery typically lasts one to two hours, so battery runtime is usually the first limit.

Does the camera overheat or get loud when recording 4K/60FPS for long sessions?

The camera uses passive cooling with no fan, so it stays silent; extended 4K/60FPS recording will warm the body but the specs list no thermal shutdown threshold.

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