This product is proudly brought to you by PHOTOGEAR.Features:Discovery rechargeable flash power pack adopts the most advanced driving circuit design. Better performance, better reliabilityLager-Capacity lithium-ion battery, more flash counts but lighter weight; Intelligent power-saving system reduces power consumption; Lightweight and compact flash head, easy to carry, SPEED RING fit;Unique LED modeling lamp, high brightness, low heat, small size, low power consumption, longer lastingModel: DC-1200Output Power (Ws): 1200Flash Guide No.(GN): 108Recycling Time (S): A: Fast 3 Slow 4B: Fast 4 Slow 5A+B: 4.6 5.6Flash Power Variation: 1/1-1/16Charging Indication: LED, LED/BuzzFlash Duration (t=0.5): 1/800-1/1200sColor Temperature: 5500K 200 KModelling Lamp LED 10W (16. 7V 600Ma)Voltage Stabilization: 1%Trigger Method Sync Cable / Flash Test ButtonSynchyro Voltage: DC 7VLI Battery Capacity: DC 24V 6000mAH (1/1: 300 times, 1/16: 600 times)Flash Head Weight (kg): 1.5Power Pack Weight (kg): 8.2 (Battery Included)Flash Head Size (mm): 120 x 100Power Pack Size (mm): 186 x 106 x 280Package Included:1 x JINBEI DC-1200 Flash Head1 x JINBEI DC-1200 Battery Flash Power Pack1 x JINBEI DC Series Kit Aluminium Case 1 x JINBEI DC 24V 6000mAh Lithium-ion Battery1 x JINBEI DC Series Sync Cable1 x Power Pack Strap 1 x 35Reflector1 x Diffuser1 x Flash Head Handle 1 x TR-D4 Digital Flash Trigger1 x JINBEI DC Series Charger