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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

  • InterfaceUSB 2.0
  • Wireless SupportUSB
  • CodecsMP4, AAC
  • FormatMP4
  • Resolution Support4K
  • Camera 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.

Highlights

  • 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

Specifications

BrandJOH, Shenzhen HDKing Electronics Co., Ltd
SeriesA1
ModelA1
Part NumberA1
InterfaceUSB 2.0
Wireless SupportUSB
CodecsMP4, AAC
FormatMP4
Resolution Support4K
Camera ResolutionUp to 4K Video
SDI ComplianceUSB
Audio SamplingAAC
ScalingOptical
ColorNavy
Video4K, MP4, MP4, AAC
AudioAAC
Serial InterfaceUSB
Network InterfaceUSB
USB Portusb
Memory Card SlotMicro SD
ComponentSlow Motion, Lightweight
CompositeUSB
Digital AduioAAC
Analog AduioSlow Motion
Other ConnectorUSB
Display1.99 inches, UHD
CompatibilitySmartphone, Remote Control
System RequirementsSmartphone, Remote Control
SpecificationA1, JOH, USB

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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