Specifications: Model: Debao SU800 Material: Plastic Color: Black Transmission Mode: Flash tube for infrared transmission communication Transmission Power: 20W Effective Transmission Range: 35 m Channel/ Group: 4 Channel/ 3 Group Display: LCD, Standby Light TTL Mode:i-TTL, DTTL Wireless Lighting System: for NikonCLS Flash Lock and High Speed Synchronization: Support RPT Stroboscopic Mode: Support Auxiliary Focusing Distance: 15 meters Analog Flash (modeling flash): Support Lamp Head Rotation Angle: 135 degrees left and right Recycle time: 0-2s Continuous Shooting: support Battery: 2 *AA Batteries (Batteries not included) Close-up Flash (macro): Not supported Non-TTL Light Flash: In S1 mode, can trigger indoor and outdoor flash light Packing List: 1 x Flash Trigger 1 x Storage Bag 1 x Manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.