Thinklite Camera Flash With Build-in 433mhz Wireless Signal For Camera. Â Features: With 433MHZ Wireless Transmission, RT Transmitter and 16 Channels to Triggering 1/300s-1/2000s Flash Duration, Cl more→ear and Vivid Images 3 Flash Modes: M, S1 and S2 for Improved Versatility and Usability. 8 Variable Flash Output from 1/128 to Full, Meeting Your Flashlight Demands. Multiple Auto-self Protections for Power Saving and Against Overheating. Added with Sync Socket, and a Quick Charge Port for External Power Pack. Integrated Reflection Board, Giving a Highlighted Point on the Eyes Build-in Wide Panel Diffuser, Creating Soft and Natural Illumination Specifications: Model: TT520II Guide Number: 33…