- Full TTL automatic flash support with 1/8000s high-speed sync, multiple flash modes, manual mode, and flash exposure compensation. Lighting parameters can be set conveniently via the mobile app for precise control. - Radio system with 5 groups, 32 channels, and access to 99 WiFi ID settings to minimize interference from nearby devices. Note: master and slave flashes will trigger only when their radio ID and channel match. - Quick release hot shoe and precise power control, with minimum output power adjustable to 1/256 in increments starting from 1/10 for fine exposure adjustments. - Clear LCD display and accessible controls, including 5 group adjustment buttons and 3 function keys. All group and function keys are backlit for easy use in low light conditions. Use scenarios - In-studio portrait sessions: leverage TTL, high-speed sync, and multiple flash groups to sculpt light precisely, while making real-time adjustments from a mobile device. - On-location events (weddings, conferences): rely on the 32-channel, 99-ID system to avoid cross-talk with nearby systems; coordinate master/slave units quickly for reliable off-camera lighting. - Product and macro photography: exploit fine 1/256 power steps and backlit controls to dial in exact exposure in challenging lighting conditions.