The Vello FreeWave Plus Wireless Remote Shutter Release RWII-N is designed specifically for Nikon cameras, with compatibility for the Nikon D90. This remote shutter release is wireless, operating on a 2.4GHz frequency with a 100m range. Made of durable plastic in sleek black, this unit requires AAA batteries for operation and is easy to use for capturing photos remotely. With features tailored for shutter release functions, the Vello FreeWave Plus is a reliable and convenient accessory for any Nikon camera user.