AODELAN TTL Flash Trigger for Sony Cameras - 1/8000s High-Speed Sync, Profoto Air Remote TTL Replacement - Compatible with Profoto A1, D2, Pro-10, B10 - Perfect for Studio Photography & Outdoor Shoots

AODELAN E4 is a TTL transmitter be used to wirelessly synchronize the Profoto flashes with the camera, it provides you with an outstanding set of features, support for wireless power control and TTL, including high-speed sync, combining TTL (Through-The-Lens, auto) exposure control mode with the option to manually adjust the exposure brightness. Frequency 2.4 GHz Range Up to 200m (656ft) for triggering, Up to 100m (330ft) for remote control and TTL No. of channels 8 channels (1-8) No. of groups per channel 3 groups (A/B and C) Power 2 x AAA batteries Operation modes TTL (Through the lens, Automatic), M (Manual) Max. Sync speed 1st or 2nd sync: 1/250s ; HSS: 1/8000s (The speed may differ between camera models.) Antenna Internal antenna Interface Multi contacts hot shoe mounting foot x 1，Micro-USB B port x 1 Accessory Strap x 1 Dimensions Approx. 91 x 57 x 37mm (3.6x 2.2 x 1.2 in) Weight Approx. 80g (2.8 oz) (without batteries) Precautions for use E4 for Sony version supports two sync selections: 1st and HSS. To use second-curtain synchronization, select "RearSync" (or "2nd curtain") mode in the camera menu.