Professional Flash Trigger with Touchscreen - The wireless flash trigger features an OLED touchscreen with adjustable brightness, and allows for button controls even with gloves in winter. Supports TTL automatic flash, 1/8000s high speed sync, flash exposure compensation (FEC), manual flash, one click TCM switch, stroboscopic flash, modeling lamp control, zooming, single point triggering, group control, etc. Note: Disable the single contact mode for TTL and Strobe modes Multiple Flash Modes - With TTL, M/Manual, TCM (TTL to Manual) switch and Strobe Modes, the flash trigger supports ±3 EV exposure compensation, while the Manual mode offers precise flash output adjustments from 1/128 to 1/1, with the S1/S2 optical slave mode (only available in Manual Mode) for wireless triggering. Also with zoom settings, auto or manual, adjustable from 20mm to 200mm, and supports single point triggering for precise control over your shots. Built In 2.4G Wireless Q System - Wirelessly trigger for NEEWER NW420-C, Z1-C, Z2-C, Z760-C, Z880-C, NW760-C, Z2PRO-C, S101-300W Pro, S101-400W Pro, S102-400W Pro, NW655-C, and Q-C (only off camera triggering), or control other flashes without a Q system via a NEEWER QR receiver and a 2.5mm sync cord (all sold separately). Also with a channel scanning function to detect idle channels for less signal interference among 5 groups, 32 channels, and 01-99 IDs within 100m. Built in Lithium Battery - The flash trigger features a 3.7V 1000mAh lithium battery, fully charged in 2.5 hours using the included USB to Type C cable (adapter not included). Also includes a battery level display to help you monitor power status at a glance, and supports firmware upgrades via the Type C port. Compact at 2.5x1.6x1.5Inch (64 x 41 x 38mm) and lightweight at 2.1 oz (60g) for portable and extended use as content creator essential and influencer must have came