Maxstone Black Wireless remote for a DSLR camera - control time-lapse, bulb, video, and more. Compatible with most cameras that have an IR receiver. For a full list of compatible cameras visit our website www.imaxmax.com Control the camera and video mode of your smartphone camera. Perfect for taking selfies and group shots. Barometric sensor for weather forecasting. The weather station page of the free MaxStone App tells the temperature, altitude, the times of the rising and setting of the sun and moon, and more. Anti-loss smart alarm - find any items the MaxStone is tied to through your smartphone. Tie the MaxStone to your camera bag, luggage, car keys, or even your pet. An alarm will sound on your phone once they go out of range. Low power consumption. A single CR2032 battery can last from 6 months to 300 days depending on usage.