Dimensions

70.5×44.2×32.8 mm (L×W×H)    

Weight

145 g    

Waterproof

18 m without the Waterproof Case, 60 m with the Waterproof Case (not included)

* Before use, close the battery compartment cover and the USB-C port cover, and tighten the Glass Lens Cover. It is recommended to install the Waterproof Case for long-duration underwater shooting or in environments with high water impact pressure. Osmo Action 4 and its Waterproof Case have an IP68 waterproof rating. Do not use the camera in hot springs or extreme underwater environments, or let it come into contact with corrosive or unknown liquids.

Number of Microphones

3            

Touchscreens

Front Screen: 1.4-inch 323 ppi 320×320

Rear Screen: 2.25-inch 326 ppi 360×640

Front/Rear Screen Brightness: 750±50 cd/m²      

Supported SD Cards

microSD (up to 512 GB)

Recommended microSD Cards

Recommended models:

SanDisk Extreme PRO 32GB U3 A1 V30 microSDHC           

Kingston CANVAS Go! Plus 64GB U3 A2 V30 microSDXC  

Kingston CANVAS Go! Plus 128GB U3 A2 V30 microSDXC

Kingston CANVAS React Plus 64GB U3 A1 V90 microSDXC              

Kingston CANVAS React Plus 128GB U3 A1 V90 microSDXC            

Kingston CANVAS React Plus 256GB U3 A1 V90 microSDXC            

Lexar Professional 1066x 64GB U3 A2 V30 microSDXC     

Lexar Professional 1066x 128GB U3 A2 V30 microSDXC   

Lexar Professional 1066x 256GB U3 A2 V30 microSDXC   

Lexar Professional 1066x 512GB U3 A2 V30 microSDXC   

CAMERA

Sensor

1/1.3-inch CMOS            

Lens

FOV: 155°           

Aperture: f/2.8

Focus Range: 0.4 m to ∞              

ISO Range

Photo: 100-12800          

Video: 100-12800           

Electronic Shutter Speed

Photo: 1/8000-30 s        

Video: 1/8000 s to the limit of frames per second             

Max Photo Resolution

3648×2736        

Zoom

Digital Zoom      

Photo: 4×            

Video: Max 2×  

Slow Motion/Timelapse: Not available    

Still Photography Modes

Single: Approx. 10 MP   

Countdown: Off/0.5/1/2/3/5/10 s

Standard Recording

4K (4:3): 3840×2880@24/25/30/48/50/60fps

4K (16:9): 3840×2160@100/120fps

4K (16:9): 3840×2160@24/25/30/48/50/60fps

2.7K (4:3): 2688×2016@24/25/30/48/50/60fps

2.7K (16:9): 2688×1512@100/120fps    

2.7K (16:9): 2688×1512@24/25/30/48/50/60fps

1080p (16:9): 1920×1080@100/120/200/240fps

1080p (16:9): 1920×1080@24/25/30/48/50/60fps

Slow Motion

4K: 4× (120fps)

2.7K: 4× (120fps)            

1080p: 8× (240fps), 4× (120fps)

Hyperlapse

4K/2.7K/1080p: Auto/×2/×5/×10/×15/×30          

Timelapse

4K/2.7K/1080p@30fps 

Intervals: 0.5/1/2/3/4/5/6/8/10/15/20/25/30/40 s          

Duration: 5/10/20/30 mins, 1/2/3/5 hours, ∞    

Stabilization

EIS:        

RockSteady 3.0

RockSteady 3.0+              

HorizonBalancing            

HorizonSteady  

*EIS is not supported in Slow Motion and Timelapse modes. HorizonSteady is only available when the video resolution is 1080p (16:9) or 2.7K (16:9) with a frame rate of 60fps or below. HorizonBalancing is only available when the video resolution is 1080p (16:9), 2.7K (16:9), or 4K (16:9) with a frame rate of 60 fps or below.

Pre-Rec

Pre-Recording Duration: 5/10/15/30/60 seconds

Max Video Bitrate

130 Mbps           

Supported File System

exFAT    

Photo Format

JPEG/RAW          

Video Format

MP4 (H.264/HEVC)        

Built-in Storage Capacity

The camera does not have built-in storage, but storage capacity can be expanded by inserting a microSD card.

Audio Recording

48 kHz 16-bit; AAC          

BATTERY

Type

LiPo 1S 

Capacity

1770 mAh          

Energy

6.8 Wh 

Voltage

3.85 V  

Operating Temperature

-20° to 45° C (-4° to 113° F)         

Charging Temperature

5° to 40° C (41° to 104° F)            

Operating Time

160 minutes      

* Tested at room temperature (25° C/77° F) and 1080p/24fps (16:9), with RockSteady on, Wi-Fi off, and screen off. This data is for reference only.

CONNECTION

Wi-Fi Operating Frequency

2.400-2.4835 GHz           

5.150-5.250 GHz             

5.725-5.850 GHz             

Wi-Fi Protocol

802.11 a/b/g/n/ac          

Wi-Fi Transmitter Power (EIRP)

2.4 GHz: < 15 dBm (FCC/CE/SRRC/MIC)

5.1 GHz: < 16 dBm (FCC/CE/SRRC/MIC)

5.8 GHz: < 14 dBm (FCC/CE/SRRC)

Bluetooth Operating Frequency

2.400-2.4835 GHz           

Bluetooth Transmit Power (EIRP)

<3 dBm

Bluetooth Protocol

BLE 5.0

OTHERS

Guaranteed software updates until

2026/12/31      

Package Contents

1 x Osmo Action 4

3 x Osmo Action Extreme Battery

1 x Osmo Action Battery Charging Case

1 x Osmo 1.5m Extension Rod

1 x Osmo Action Horizontal-Vertical Protective Frame

1 x Osmo Action Quick-Release Adapter Mount

1 x Osmo Action Quick-Release Adapter Mount (Mini)

1 x Osmo Action Curved Adhesive Base

2 x Osmo Locking Screw

1 x USB-C PD Cable

1 x Osmo Action Lens Hood

1 x Osmo Action Anti-Slip Pad