The Dot Line RS-RT04/NA DLC RF Remote Release for Nikon D70s & D80 Digital Cameras provides Omni-directional trigger capabilities with a range of over 100 feet. The remote has the option to select from 16 different channels in order to avoid interference with other RF sources. The remote release itself uses a two position switch with 1/2 depress for focus and full depress to shoot.
Note! The receiver takes 2 "AAA" batteries (not included)