Specifications GM500 Stored Energy 500Ws Sync Voltage 5V Flash Colour Temp. 5600K ±300K Circuit Protection 230V - 5A (F) 115V - 10A (T) Supply Voltage AC 195-260 VAC 50Hz Voltage Stabilisation ±1% Guide Number 82 Typical Recycle Time 1.0 sec Modelling Power Control Full /Intermittent /Off Flash Duration (t=0.5) 1/700 Flash Power Control Full to 1/32 5 stops Modelling Lamp Max 275W Ready Indication 100% User Replaceable Flash Tube Clear = BW2030 UV = BW2032 Photocell On/Off Audio Ready Signal On/Off Recommended Modelling Lamps 275W Photoflood 250W Halostar Weight 3.4Kg Dimensions (L x W x H) 365 x 145 x130mm