Godox TT600S Features : Built-in Godox 2.4G Wireless X System - Build-in 2.4G wireless transmission with all-in-one functions and 100 meters further transmission, to offer you a stable output and creative light effect. - With built-in Godox 2.4G wireless X system, TT600S is compatible with AD360II-C, AD360II-N, TT685C, TT685N, TT685S, X1T-C, X1T-N, X1T-S etc. - In the 2.4G wireless transmission mode, when used as a master unit, TT600S can set it's group as M/A/B/C/D/E; When used as a slave unit, TT600S can set it's group as A/B/C/D/E. There are 1 ~ 32 channels to be chosen. Wireless Triggering - TT600S can achieve 1/8000s high-speed sync functions when using in combination with high-speed triggers e.g. Godox Cells II transceiver, X1 TTL wireless flash trigger, etc. - Note: High-speed sync triggering mode is not available when TT600S is mounted onto the camera. - Equipped with a wireless control port and a 3.5mm sync cord jack, TT600S has multiple triggering methods. Technical Data Guide No. (1-1 power @ 200mm): GN60 (m ISO 100) Vertical Rotation Angle: -7 Degree to 90 Degree Horizontal Rotation Angle: 0 Degree to 360 Degree Power Supply: Ni-MH batteries (Recommended) or 4*LR6 alkaline batteries Full power flashes: Approx. 230 (2500mAh Ni-MH batteries) Recycle Time: Approx. 0.1-2.6 seconds (eneloop Ni-MH batteries of Panasonic). Flash Duration: 1/300s - 1/2000s Color Temperature: 5600200k Wireless Flash Function: Master, Slave, Off Controllable slave groups: 5(A, B, C, D, E) Transmission Rnge (Approx.): 100M Channel: 1~32 Dimension: 64mmx76mmx190mm Package Contents 1 x Godox TT600S Flash 1 x Protection Bag