Satechi WTR-M Wireless Timer Remote Shutter - Compatible with Nikon D90, D3100, D3200, D3300, D5000, D5100, D5200, D5300, D7000, D7100, D750, DF, D600, D610, P7700, P7800 Digital SLR Cameras Handy for taking pictures of subjects that difficult to approach with minimized vibration Can activate the bulb function on the compatible cameras Ideal for time-lapse photography including blooming flowers and astrophotography Function as self-timer, interval timer, long-exposure timer- can be programmed as an intervalometer Includes time remind speaker and release signal lamp, LCD display and screen illuminator