If you have a Nikon camera and professional flash set-up then this remote flash trigger is perfect for you! It offers wireless flash grouping and TTL pass through on the transmitter and can setup 3 groups and 4 channels. It has a range of up to 200 meters and could work as a cameras remote shutter. The sync speed is unmatched at 1/200s.This trigger set has too many options to list and is the perfect camera companion. - Model: PF-508 - Material: Plastic + metal - Wireless grouping TTL flash radio trigger transmitter and receiver set for Nikon - Offers wireless flash grouping and TTL pass-through on the transmitter - Can set up to 3 groups (7 combinations) and 4 channels selection - Flash wake-up function available - Connect to Studio Flash and to PC socket - Sync speed up to 1/200s - Shooting mode: Single continuous and Blub - Could work as a camera remote shutter - Transmitter hot shoe supports TTL mode - Allows a TTL flash on camera or the use of a focus assist light - Extended range up to 200 meters - Battery: 2 x AAA / 2 x AAA (not included) - Compatible with Nikon D700/D700/D300/D300s/D200/D3S/D3/D3x/D2x/D2xs/D2H/D2Hs/D1/D1x/D1H/D80/D70s/D70/D90/D5000 - Package includes: - 1 x Transmitter - 1 x Receiver - 1 x Connection cable (3.5mm to 3.5mm) - 1 x Connection cable (3.5mm to 6.5mm) - 1 x Connection cable (3.5mm to 1/2) - 1 x Connection cable (3.5mm to PC) - 1 x Receiver holder - 2 x Hot shoe protectors - 1 x English user manual