Features: 45 Watt/Second Color temperature corrected flash tube (5600K) Slave Flash Light Strobe 110V/220V brand new slave flash unit screws into any standard US light socket great for accent, highlights, fill light, bounce light. This AC Slave can be triggered in perfect sync with your on camera flash or any type of studio strobe. 6ft. / 1.82msync cord included. Flash Power: 45W Guide number: 28m/ 90ft Angle of Illumination: 55° Triggering: slave, sync, flash Recycle Time: 8s Color Temperature:5600k Flash Duration 1/1000