Features?
It can trigger the camera shutter release remotely within 10 meters. 
The compatible camera has a built-in infrared receiver for this remote trigger device.
For Nikon camera\'s infrared feature needs to be enabled.
Eliminates vibrations caused by physically pressing the shutter release.
Confirm that there is no obstacle between the infrared remote control camera.
It has been proved to be safe and suitable for Nikon series cameras.

Specifications:
Battery: CR2025. (not included?
Material: Plastic
Product size: Approx. 6 * 2.8 * 0.6cm / 2.4 * 1.1 * 0.2in
Item weight: Approx. 7g / 0.2oz
Package size: Approx. 6 * 2.8 * 0.6cm / 2.4 * 1.1 * 0.2in 
Package weight: Approx. 7g / 0.2oz

Package List:
1 * IR Wireless Remote Control