Camera Shutter Release Remote Control for Canon PowerShot G10 G11 G15 G12 G1X SX50 700D DSLR Camera Senior non-slip surface lines, according with human body engineering design requirements. Half Press the focus, all Press take photos, and with a lock button. Using polymeric plastic materials, more waterproof, prevent grind, security falls. Take the lock button, more convenient and practical. Support single shoot, shoot, support long exposure time.