Hydra offers innovative photo capture technology, and lets you take beautiful pictures even in the most difficult lighting conditions, which makes it a great companion to iOS Camera app. Hydra can be remotely controlled by Apple Watch: capture mode can be changed, and photo/video capture initiated from Apple Watch. Live-stream preview of iPhone camera is displayed on Apple Watch. Starting Hydra on Apple Watch displays Hydra icon on iPhone lock screen for easier launch via Handoff.