Adorama 4010 AC Master Slave with PC Connection (Guide Number of 90)
The Adorama 4010 AC master slave, with a guide number of 90, is the same as the AC Slave with the additional feature of having a PC cord connection, that allows you to trigger it when connected to your camera. Angle of coverage 50 degrees, recycles in 4 seconds. Screws into any standard household socket. Built-in slave triggers the unit when another flash is fired. Requires no batteries.