Features 1、Compatible flash models for VCHSS/VCHS TTL/VCHHLR/VCHH/VE PLUS/VL PLUS/VISICO4/VISICO5. 2、Support 1/8000s high speed sync, 2.4G wireless system, 8 channels, 30 ID, ABC three groups. 3、LCD display screen, real time display various parameters, more practical. 4、Support manual flash, TTL, stroboscope flash, support for USB firmware upgrade, support for auxiliary focusing function. 5、Suitable for Nikon D4/D600/D610/D700/D750/D7000/D7100/D7500/D800/D810/D90 camera. Specification Condition: 100% Brand New Item Type: Flash Trigger Brand: VISICO Model: VC-818TX Material: ABS Color: As Pictures Shown Suitable Camera: for Nikon D4/D600/D610/D700/D750/D7000/D7100/D7500/D800/D810/D90 Exposure Control System: I-TTL Automatic Flash, Manual Flash, Stroboscopic Flash Channel: 8 Channels(1-8), 30 ID Subordinate Unit Control: Three Sets of Flashlights (A,B,C) are Controlled Independently Under Each Channel Transmission Distance: 25m Effective Trigger Flash Exposure Compensation: Increment by 1/3 Gear ± 3 Gears Flash Exposure Lock: Support High Speed Sync: Maximum Support 1/8000s Manual Flash: Power Range from 1/1 to 1/128 (1/3EV plus or minus) Stroboscopic Flash: Up to Strobe Time 20, Up to Strobe Frequency 30Hz Auxiliary Focusing Function: Support USB Firmware Upgrade: Support Power Supply: 2 x AA Alkaline Battery or NI-MH Battery(Not Included) Weight: Approx. 77g Size: Approx. 90x56x40mm/3.54x2.20x1.57inch Package List 1 x Flash Trigger 1 x Manual