Wireless Remote Shutter Release for Nikon D90/D7000/D3100/D5100

This wireless remote control is a 16 channel radio remote for releasing your camera's shutter at distances up to 100m.
Features
Extended range: can fire the camera's shutter from distances up to 100m.
16 channel radio remote.
Dual-function release: press the transmitter's button half way to focus; press it fully to trigger the shutter.
Instant release: press shutter once and take immediate pictures.
Delayed release: the three-second delay function gives you extra time to get into position.
Multi-exposure: you can take multiple shots with one press of the trigger.
Support bulb shutter.
Suitable For: Nikon D90/D7000/D3100/D5100, etc.
Specifications
Control formation frequency 433MHz, four digital coding options.
Channels 16
Shutter modes single shot, 3-second delay, Bulb
Transmitting distance about 100m
Power source transmitter: 1 x 23A 12V battery (battery not included), receiver: 1 x CR2 3V battery (battery not included)
Transmitter size 75L x 25W x 10H mm
Receiver size 45L x 35W x 20H mm
PU wire length about 25cm
Weight 120g
Package Contents 1 x Transmitter, 1 x Receiver, 1 x Manual
Certification CE, FCC, RoHS