Neewer Smart C-250/250SDI 250W Photography Strobe Flash Studio Light Lamp Head 110V for DSLR Camera GN48, Aluminum Housing Flash Output: 250WS Guide Number (ISO 100): 48 Color Temperature: 5600  200K Power Voltage: AC110V / 60HZ Flash Power Control: 8 steps. Modeling Lamp: 75WS (Adjustable)