Compatible CamerasSony:Alpha a58, a77 II, a3000, a5000, a6000, a6300, a7, a7 II, a7R, a7R II, a7S, a7S II; DSC-RX1, RX1R, RX1R II, RX10, RX10 II, RX100 II, RX100 III, RX100 IV, HX50V, HX90V, HX300, HX400, and HX400VLCD Display The four-line backlit LCD display panel gives you a visual reference so you can enable the following functions: self-timer, exposure, interval, and number of shots. It also is a status indicator for battery life, timer functions, lock indicator, number of shots, and more.Audible Beep The ShutterBoss will give you an audible beep for the last three seconds of a countdown delay or interval. It will also beep to confirm your settings. The beep can be turned off if necessary.Power Off and Reset Options The ShutterBoss II has been updated with two new features, the Power Off option which gives the ability to power the device off to conserve battery life and the Reset option which allows the ShutterBoss to be reset to the default settings, so that each setting does not need to be reset individually.Long Battery Life Powered by two AAA batteries, it can last for about 60 days of continuous shooting with intervals of five minutes and exposures of 4 minutes, 56 seconds. When left on standby, it can last for up to 2 years.SPECIFICATIONS Self-Timer Delay: 0 sec to 99 h, 59 min, 59 sec in 1-second incrementsExposure Range: 0 sec to 99 h, 59 min, 59 sec in 1-second incrementsInterval: 1 sec to 99 h, 59 min, 59 sec in 1-second incrementsNumber of Shots: 1-399, unlimitedPower Source: 2x AAA alkaline batteries (included)Operating Temperature: -4 to 122°F (-20 to 50°C)Dimensions (L x W x D)6.1 x 1.6 x 0.7" (155 x 40 x 18 mm)Cord Length: 2.7' (850 mm)