Fotasy ES898C iPhone Wireless Timer Switch Controller Cable for Canon EOS Rebel T5i T4i T3i T3 SL1 XSi 70D 60D 700D 650D 600D 550D G16 (Black) With this controller and Shutter Release Cable, your iPhone, iPad and iPod touch will function as a WIRELESS TIMER remote to control your digital cameras through blue tooth. This controller also acts as a wire remote switch, it allows you half press the shutter button on the controller into focus, full press to take a photo. After downloading the APP, users are ready to take perfect photos in three modes: Manual Shot, Timer Shot and Scheduled Timer Remote. The DELAY time, BULB time and INTERVAL time can be set from anywhere to 99hrs 59min 59s 900ms. The number of exposures can be set from 1 to 999 or infinite. The unique scheduled timer remote mode allows you set six different timer exposure plans, Bluetooth: 4.0; Operation Range:0-50 meters; Battery type: AAA x 2; Dimensions: 69 x 38 x 18mm; Type: FSK2.4G frequency system. Compatibility: iPhone, iPad, and iPod touch with iOS 6.0 or later