... system, multiple auto-self protections* Equipped with buzz functionThis Series Contains: 120SDI, 160SDI, 250SDI, 300SDIFeaturesA wide range of ... flash & modeling lamp; Equipped with circuit protection(5A fuse)A series of elaborate designs: Replaceable flash tube & modeling lamp; ... system, 5A fuse integralSimple interface, convenient rear control panel, easy-to-use design5A/8A fuse protects the flash ...