Advantages of JJC remote shutter:
- Two-stage shutter button on the transmitter with good tactile feedback for focusing and tripping. LED feedback on the receiver (red - autofocus; blue - triggering).
- Practically instantaneous tripping, even with faster release rate
- Time delay (3 seconds) can be set with the slide switch
- Bulb feature of the camera is supported
- Compact design
- Build quality is fine for the price range (Correctional Facility: Use a better cable and slide switch for turning on / off of the receiver)
- Ease of use
- Reliable triggering even by a plurality of walls
- As a bonus, is also at the receiving part of a two-stage trigger to be able to use this as a cable release
Disadvantage of JJC remote shutter:
- Batteries may not be bought in any supermarket; but are inexpensive available at Amazon.
Conclusion:
Strong buy recommendation. Offers more possibilities than a standard cable release.