The EZa-N3 Digital Timer Remote is for Nikon DSLR. Specifications Display Lighting: Supports light for 6 seconds Release Button: Supports the remote control of half-press to focus and full-press to release shutter Camera Connection: The remote control socket can be locked Cord Length: 90 cm Power supply: 2* 3A batteries (battery not included) Working temperature: -20 - 50 Celsius degree CompatibilityNikon D5100, D3100, D7000, D5000, D90 Package Includes1* Digital Timer Remote Control1* User Manual