Guide No.(1/1 Power Output): Fn=8.1 (ISO100) Darkroom, 1m, 1/1 power output Power: 8W, Color Temperature: 6000K±200K. Power Output: 5 levels (1/16-1/1) LED Modeling Lamp Power: 1W. LED Modeling Lamp Color Temperature: 5600±200k, Display: OLED, Voltage/Current output from the sync cord jack: 3V/3mA, Wireless Flash (2.4G Transmission and 433MHz Transmission), Wireless Function: Master, Slave, Channel: 2.4G: 32(1-32) 433MHz: 16(1-16), Channel: 2.4G: 32(1-32) 433MHz: 16(1-16), Power Source: Lithium Battery (3.8V/1000mAh), Full Power Flashes: 700, Whole Shutdown Current: <5UA, Recycle Time: 2.5s Battery Level Indication: √ Whole Sleep Current: <8MA, Sync Triggering Mode: 2.5mm sync cord