This is a metal junction box to house wiring when attaching Backup Emergency Driver to LumeGen LED Flat Panels. Works on with select LumeGen Flat Panels including SKUs LEDLFPN1000050540, LEDLFPN1000050541, LEDLFPN1000050542, LEDLFPN1000050533, LEDLFPN1000051817, LEDLFPN1000051818, LEDLFPN1000051819.