TRIOPO R1 76WS High-Speed 18000s TTL Flash Speedlite for Canon Nikon DSLR Cameras Features: 1. This speedlite features 5600+-200K color temperature, support high-speed sync TTL and manual flash, the highest synchronous speed can reach 18000s. 2. It can be used as on-camera master unit and remote slave unit, 2.4G wireless transmission ensures stable connection. 3. 16 channels and 3 controllable slave groups(A,B,C) provides professional lighting for studio. 4. The light head is -7 to 100 degree vertical and 0 to 360 degree horizontal adjustable, suitable for more angles shooting. 5. The speedlight can be compatible with Canon and Nikon cameras, providing soft and natural light for studio portrait photography. Specifications: 1. Main Material: Plastic 2. Compatibility: Compatible with Canon and Nikon cameras 3. Power(11 output) : 76Ws 4. Flash Coverage: 18-180mm 5. Flash Duration: 1360 to 1230000 seconds 6. Color Temperature: 5600+-200K 7. Adjustable Angle: -7 to 100 degree (vertical), 0 to 360 degree (horizontal) 8. Exposure Control System: TTL auto-flash and manual flash 9. Sync Mode: High-speed sync(up to 18000 seconds), first-curtain sync, and rear-curtain sync 10. Flash Exposure Compensation(FEC): Manual. FEB: +- 3 stops increments(Manual FEC and FEB can be combined) 11. Effective Range(approx.): Center: 0.6-10m 2.0-32.8 feet; Periphery: 0.6-5m 2.0-16.4 feet 12. Wireless Flash Function: Master, slave, off 13. Transmission: 2.4G wireless, maximum range about 80m 14. Controllable Slave Groups: 3(A, B, C) 15. Channels: 16 channels(0-16) 16. Sync Triggering Mode: Hot shoe, 2.5mm sync line 17. LED Light - Power: 2W - Color Temperature: 3300+-200K 18. Power - Battery: Built-in 11.1V2000mAh lithium battery - Power Plug: AC 100~240V - Recycle Time: Approx. 2.1s, blue LED indicator will light up when the flash is ready - Power Saving: Power off automatically after approx. 90 seconds of idle operation(60 minutes if set as slave) - Full Power Flashes: Approx. 500 times 19. Size: 20.5x7.6 x 7.6cm 20. Weight: 575g (with battery) Packing List: 1. Camera Flash x 1 2. Battery Charging Adapter x 1 3. Power Adapter x 1 4. Lithium Battery x 1 5. Carry Bag x 1 6. Bracket x 1 7. User Manual x 1