Automatically adjusts flash output for perfect exposures in any lighting condition Easily toggle between Manual and TTL modes with the intuitive mode dial Optimized for compactness while offering creative bounce options with modifiers It only weighs 45g for effortless all-day carry Smart thermal control prevents shutdowns during heavy use The iT20's internal lithium battery supports 700+ full-power flashes on a single charge and recycles in just 1.5 seconds Durable and built to withstand daily use while slaying and staying the portability The built-in rechargeable lithium battery charges fast and delivers long-lasting power with minimal downtime, perfect for modern workflows