Buy on Amazon : br br Flashpoint DG400 200 Watt Secondw ACDC Monolight Blue with DG Battery Pack and Charger br br Choice of AC or DC powered operation Battery power pack sold separately br Fires 180 full power flashes when using the portable battery power pack br Can be Fired with the Sync Cord Attached to the Camera PC Terminal with a PC Adapter on the Hot Shoe FAPC15 or with the Built in Slave Unit br Flash Ready Light br Built-in Slave Can be Turned Off