JJC TM Series Multi-functional Timer Remote Control is designed to function as a timer remote and an intervalometer. It is excellent for flower blooming, sunset, moonrise, etc. photography. The remote is equipped to handle a long list of timer functions: self-timer, long exposure timer, interval timer, as well as controlling the number of shots. An exposure as long as 99 hours, 59 minutes and 59 seconds can be programmed and number of exposures is up to 399 or unlimited. Just press the buttons, settings will display on the LCD screen. There is backlight on the LCD that allows night vision. The multi-function timer remote can also be used as a shutter release cable: Press halfway to focus; press full to trigger shutter; when taking long exposure pictures, pushing the shutter button up will lock the camera shutter. The remote also helps prevent camera shaking and allows you to take self-portraits. All the features of TM remote makes it a good helper for you to take creative pictures.