This is a set of two National PE-381SG strobes. I have confirmed their operation before listing. The slave units are also working fine. The AA batteries shown in the photos are not included. These are old items. Please understand that these are sold as-is, with no returns. 【Functionality】 Equipped with a wide-angle function, allowing for 20mm wide-angle shooting. This enables coverage of wide scenes and supports various shooting situations. 【Design】 The black body gives a simple yet stylish impression. Sold as a set of two, allowing for simultaneous multiple lighting effects. - Brand: National - Model: PE-381SG - Function: Wide-angle function (20mm) - Design: Black body - Quantity: Set of 2 Thank you for viewing.