AODELAN WTR-2 works as a timer and remote shutter release.<br>Besides the full functions of shutter release, it also features multiply timer functions: delay timer, long exposure timer, interval timer and as well as setting for the number of exposure; its timing setting can be accurate to 0.1 seconds. <br>The WTR-2 is great for time-lapse recording of blooming flowers,astrophotography, etc. <br><br> WTR-2 includes a Timer WTR-2(T) and a Receiver WTR-2(R). It works as a wireless timer and remote shutter release system with the Receiver WTR-2(R) connecting to the camera and the Timer WTR-2(T) controlling the receiver. <br>Also,the Timer WTR-2(T) can work as a wired system with it connecting to the camera directly. <br><br> <b>Specifications</b><br> <b>Batteries</b>: <br> 2 x AAA batteries for Timer (not included)<br> 2 x AAA batteries for Receiver (not included)<br> <b>Standby Timer</b>: 48 Hours<br><br> <b>Timer WTR-2(T)</b><br> <b>Frequency</b>: 2.4 GHz<br> <b>Range</b>: 60 meter<br> <b>Working voltage</b>: 3.0 V<br> <b>Size</b>: Approx. 130 x 46 x 22 mm (5.1 x 1.8 x 0.9 in)<br> <b>Weight</b>: Approx. 57g (2.0 oz) (without batteries)<br><br> <b>Receiver WTR-2(R)</b><br> <b>Working voltage</b>: 3.0 V<br> <b>Size</b>: Approx. 85 x 37 x 31 mm (3.3 x 1.5 x 1.2 in)<br> <b>Weight</b>: Approx. 38 g (1.3 oz) (without batteries)