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.
Compatible with:Profoto A1 AirTTL, B1 500 AirTTL, B1X 500 AirTTL, B2 250 AirTTL, D2 200 AirTTL, D2 1000 AirTTL, Pro-10 2400 AirTTL, Q1, B10
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)