\"\n【Enhanced UI and TTL/M Mode Switch】 This speedlight has an upgraded UI and a TCM key that switches from TTL to M mode in a second. It features automatic metering, 1/1-1/256 manual dimming, 28-105mm focal length, stroboscopic flashes, 1/8000s HSS, front/rear curtain sync, FEC/FEB (flash exposure compensation/bracketing), S1/S2 optical slave modes, and other functions\n【Great Performance & Modeling Lamps】 76Ws max output, 5600K stable color temperature, and a circular Fresnel flash head ensure even, soft, and natural light effects. The flash head with 0-330° swivel and -7-120° tilt bounces flashes freely. Two upgraded 2W 3300K LED modeling lamps (one below the flash head) offer 10 brightness levels (01-10)\n【Expanded 2.4G Wireless System】 Wirelessly control four groups (A/B/C/D), 32 channels, and 99 IDs with the QPRO-S TTL transmitters (not included), or as master/slave unit for Q system flashes up to 328\'/100m. Compatible with Godox 2.4G X system (RX COMPAT menu) or as a slave using Xpro X3 X2 transmitters. Compatible with Sekonic L-858D light meter (RT-GX module). Note: Q and X systems cannot be used simultaneously; latest firmware is required for compatibility\n【High Capacity & Fast Recycling】 The 7.2V/3000mAh lithium battery provides 600 full power flashes, 1.5s fast recycling time, and a 1/180-1/20000s flash duration. The battery can be fully charged in 2.5 hours with a 5V 2A USB charger (not included). Firmware update is available via the USB Type C port\n【Compatible with Sony Camera】 Compatible with Sony A9 II A9 A7R V A7R IV A7 IV A7R III A7S III A7 III A7S II A7R II A7 II A7S A7 A7C II A7C A1 A6700 A6600 A6500 A6400 A6100 A6000 A99 A350 ZV-E10 mirrorless cameras\"