Compatible with Olympus E-M1 PEN-F E-M10II E-PL8 E-P5 E-M10III for Panasonic GH4 LX100 DMC-GF1 DMC-G85 DMC-GX85 DMC-LX100 DMC-FZ2500GK S1. (Noted: Please do not use a lens longer than 8 cm / 3.15 inches, otherwise the lens may cast a shadow in the photo.) 2.8" Full-Color Touchscreen for Intuitive Control: The iT30Pro features a responsive 2.8" full-color touchscreen that allows you to swipe through settings and adjust power with just a tap. For those who prefer tactile control, the traditional rotary dial lets you fine-tune flash output exactly as you like, ensuring precise control over your lighting TTL Auto-Exposure for Accurate Image Exposure: The iT30Pro features a built-in mini TTL auto-exposure system that meters light through your lens in real-time, instantly calculating the optimal flash output. Whether you're a beginner or a seasoned photographer, this feature ensures consistent exposure results, allowing you to focus on your creativity rather than technical settings Wireless Master & Receiver for Flexible Multi-Light Setups: The iT30Pro can control up to three additional Godox flashes in Master mode, acting as a temporary trigger. With its built-in Godox 2.4GHz X system, it supports both Master and Receiver modes. Pair it with the X3 trigger or other Godox 2.4GHz flashes to build versatile multi-light setups, ideal for advanced photographers Built-In Diffuser for Soft, Even Lighting: The iT30Pro's built-in diffuser flips out into place to deliver wider coverage and beautifully soft, even lighting, flattering every skin tone without the need for extra modifiers. This feature ensures that your subjects look great, whether you're shooting portraits, food, or still life Travel Light, Shoot Big: Weighing only 120g and roughly one quarter the size of a traditional speedlight, the iT30Pro is incredibly compact and portable. Its quick-flip diffuser delivers soft, flattering light, while its wireless sync up to 100m range and high-speed sync up to 1/8000s make it suitable for both indoor and outdoor photography