Profoto 2400 com 3cabeças D1Profoto Acute 2400Maximum Watt/Seconds 2400Guide Number f/64 @ 2m (ISO 100) with standard zoom reflector.Recycle Time 2.9 sec @ max power, .17 sec @ min powerFlash Duration 1/320 sec @ max power, 1/1800 sec @ min powerFlash Variability 6.0 f/stops, from 2400 to 75W/sFlash Ready Indicator Ready Light, Switchable Audible Beep.Operating Voltage Auto sensing: 90-130V and switchable to 180-250V, 45-65Hz.Change modeling light in head for appropriate voltageBuilt-in Slave Cell YesCircuit Protection Thermostat slows down recharging, resets automaticallyAuto Dump YesDimensions 11.7 x 7.5 x 5" (30 x 19 x 13 cm)Weight 12.9 lb (5.9 kg)