Some Nikon cameras can't show images when connect the monitor , please don't worry ,just please disconnect the monitor , and set your camera .

Menu-Setup menu-HDMI-Device control-off

Product Function:
DC-70 is a portable LCD monitor for use with an Interchangeable Lens Digital Camera or an Interchangeable Lens Digital HD Video Camera Recorder with an HDMI terminal and live view mode. It can display HDMI video output from the camera. The following functions help you to see the image more clearly and take better pictures.
Wide viewing angle LCD screen
Useful functions such as peaking and pixel-by-pixel zoom
Controls camera shutter release, ensures the long-distance monitor.
Moveable shoe adaptor enables easy removal when using a camera that has an auto lock accessory shoe.
Works with rechargeable battery or power adapter.


Specifications：
General
Dimensions(W×H×D): Approx. 191×128×36 mm
Weight: Approx. 480g (Excluding battery)
Color: Black
Operating temperature: +0 to +40°C (+32 to +104°F)
Storage temperature: -20 to +60°C (-4 to +140°F)
Power Supply: DC 8V~18V
Battery: FM500H / QM71D / QM91D
Panel
LCD panel size: Approx 7’’
Resolution: 1280×800 pixels
Speaker: Yes
Input jack: Input jack 1 HDMI ×1 / Input jack 2 AV ×1
Input jack 3 DC IN (power adapter plug)
Input jack 4 USB upgrade jack
Output jack:Headphones output jack / Output jack 1 HDMI ×1