1. Touch Screen TTL Wireless Flash Trigger, A New Breakthrough, 48g Featherweight Body, Bringing Unprecedented Portability. The Touch Screen Design Combines Chinese Operation Interface And Humanized Interaction Logic, Making The Operation Experience Ever. The Flash Trigger Has Many Functions Such As TTL And High-Speed Synchronization. It Has Strong Performance And Stable Control, Which Can Help You Easily Control The Light, Express Creativity And Improve Efficiency. 2. Uniquely Exquisite, And Light-Controlling, The Flash Trigger Adopts A High-Quality Full-Color Touch Screen, All Parameters Can Be Adjusted By Touch, And Has Humanized Interaction Logic - The Main Interface Can View And Adjust Multiple Groups Of Parameters. 3. Click To Enter The Single The Parameters Of The Group Can Be Finely Adjusted, And The Groups Can Be Switched By Sliding Up And Down. In Addition, The Flash Trigger Also Supports Ttl, High-Speed Synchronization And Other Functions. You Can Easily Select And Control It With Just Your Fingertips, Greatly Improving Work Efficiency. 4. High-Definition Oled Screen, Silky Smooth Touch, The Flash Trigger Has A High-Definition Oled Touch Screen, The Control Is Smooth And Fast, And The Display Effect Is Vivid And Delicate. No Matter What The Lighting Environment Is, You Can Adjust The Screen Brightness By Sliding The Brightness Setting Bar Left Or Right To Suit The Needs Of The Environment. 5. The Flash Trigger Is Also Equipped With A Screen Lock Function To Prevent Accidental Touches During And Help You Concentrate On Your Creation. Tcm Conversion Function, Efficient And Flexible. The Flash Trigger Is Equipped With Tcm Conversion Function, Allowing You To Quickly Switch Between The Efficiency And Convenience Of Ttl Automatic Flash Mode And The Precision And Detail Of Manual Flash Mode, And Flexib Respond To Different Scenarios. Built-In Lithium Battery:3.7V-850mAh Charging time:about 2 hours Standby time:about Support:TTL automatic flash manual flash stroboscopic flash high-speed sync front curtain sync rear curtain sync Exposure compensation:3EV (exposure value), adjusted in 1 or 3EV increments Modeling flash:The flash modeling light can be controlled by the flash trigger. Buzzer:The flash buzzer can be controlled through the flash trigger Z00M setting:AUTO or length 24-200mm TCM conversion:Convert TTL value to M output value Firmware update:Firmware upgrade through the USB-C port on the body Memory function:The parameters will be automatically memorized after 2 seconds of setting, and will be restored automatically after restarting. Display:touch screen, adjustable screen brightness Transmission range:about 0-100 meters Built-in wireless:2.4GHz Channels:32 Wireless ID:OFF or 01-99 Group:A-F0-9 Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use. Type:D:For Colour:As Shown Material:Plastic Package Contents: 1 x Flash Trigger 1 x Data Cable 1 x Storage Bag 1 x Instructions In Chinese And English Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.