The Wolf Snapz Bluetooth Remote Shutter makes it easier to capture the perfect picture of your prize catch by acting as a second pair of hands, so you don't have to rely on camera timers. It offers a maximum range of around 30 meters, giving you plenty of space to set up for that important photo. Features - Bluetooth Version 3.0 - Frequency: 2.4GHz ~ 2.4835GHz - Distance Coverage: 10m (30ft) - Battery Life: CR2016 x 1 cell, about 3 months under working 10 times a day - Dimensions: 51mm x 26mm x 9mm - Weight: 8.0 g