This Mini Tt350s Camera Flash Is For Sony Mirrorless Digital Series Cameras And Is Compatible With Ttl Autoflash. This Ttl-compatible Flash Makes Your Recordings Easiertwo Sending Styles To Offer Creative Light Effect: Optical Transmission With Even Illumination And Stable Output; 2.4g Wireless Transmission With All-in-one Features And 100 Meters Of Further Transmissionfull Ttl Functions: Supports Hss (max. 1 / 8000s), Fec, Front & Rear Curtain Sync, Multi-flash, Manual Flashpractical Dot Matrix Lcd Panel: Using Dot Matrix Lcd Panel Provide A Clear And Easy Operationoverheat Protection And Useful Functions: Gn60 (m Iso 100, @ 105mm), 22 Stages Of Power Output (1 / 1-1 / 128); Approx. 0.1-2.2 S Reuse Time, 210 Full Power Flashing (with 2500 Ma Ni-mh Batteries); Support Ttl / M / S1 / S2 Modes, 24-105m Auto / Manual Buzz; With Custom C.fn Settings This Mini Tt350s Camera Flash Is For Sony Mirrorless Digital Series Cameras And Is Compatible With Ttl Autoflash. This Ttl-compatible Flash Makes Your Recordings Easier. Technical Specifications: Item Number: Tt350s Compatible Cameras: Sony Mirrorless Digital Camera Guide Number (1/1 Output At 105 Mm): 36 (m Iso 100) Exposure Control: Ttl Autoflash And Manual Flash Flash Exposure Correction (fec): Manual Feb. : ± 3 Stops In 1/3 Stop Steps (manual Fec.) Sync Mode: High-speed Synchronization (up To 1/8000 Seconds), Synchronization With The First Curtain And Synchronization With The Second Curtain Multi Flash: Provided (up To 90 Times, 99hz) Wireless Flash Function: Master, Slave, Off Controllable Slave Groups: 3 (a, B And C) Transmission Range (approx.): ≤100m Channels: 16 (1 ~ 16) Operating Range (approx.): Center: 0.6 ~ 4m / Periphery: 0.6 ~ 2.5m Aa Batteries: Ni-mh Batteries (recommended) Or 2 * Lr6 Alkaline Batteries Recycle Time: Approx.0.1 ~ 2.2 Seconds (eneloop Ni-mh Batteries From Panasonic). Red Led Indicator Lights When The Flash Is Ready. Full Power Flashing: Ca.210 (2500ma Ni-mh Batteries) Power Consumption: After Approx. 60 Seconds At Idle (60 Minutes When Setting As Slave) * Sync Trigger Mode: Hotshoe, Optical Triggering W * H * D: 140 * 62 * 38mm Weight Without Battery: 200g Package Contents: 1x Tt350s Flash Of The Camera 1x Mini Stand 1x Protective Pouch 1x User Manual1 * Letwing Color Filter