This is a 220-230 volt, Westcott screw-in Studio Slave Strobe for the TD3 or TD5 light fixtures.
Use this strobes, when the tungsten or fluorescent lights for the TD3 or TD5 fixture just aren't enough. It has a built-in slave, and Guide Number of 72. It has a flash duration of 1/1000 second, 5800° Kelvin.
This is a 220-230 volt, Master Studio screw-in Slave Flash for the Westcott Spiderlite TD3. It has a PC sync terminal.
Use this item when the tungsten or fluorescent lights for the TD3 fixture just aren't enough. The Master Strobe provides a Guide Number of 66. The flash duration is 1/1000 second, 5800° Kelvin.