Features:
100% Brand new and high quality!
Compatible: for D90/D500/D5100/D3100/D7000
Full functions supported as the camera shutter switch (with halfway or complete pressing)
Functions as a timer remote and can be programmed to function as an interval met
Design for group， macro， long exposures， continuous， motion shooting， etc.
Energy saving design， can be use for long time. Lock button is available.

Functions:
Delay / Self Timer (DELAY)
Just like the self timer on your camera. The TM timer remote switch allows you to set any delay (in 1 second increments) up to 99 hours， 59 minutes and 59 seconds.
BULB/Long Exposure (LONG)
It allows you to take time exposures up to 100 hours in length.
Interval Timer (INTVL)
The Interval Timer can be set to any time period up to 100 hours as well. If you set it to 10 minutes， for example， one exposure will be taken every 10 minutes until either the film runs out or the Exposure Count limit has been reached.
Exposure Count (N)
This setting permits you to set the number of exposures that will be taken， up to a total 399.

Specifications:
Color: Black
Material: ABS
Size: approx. 140*38*15mm (L x W x H)
Battery: 2* 1.5V AAA batteries(Not included)

Package Includes:
1 x Timer Remote Control Shutter Release