Vickerman 35 Light LED Wide Angle Battery Operated Warm White Christmas Light set featuring Brown Wire, 24 gauge wire, 12″ Lead, 5″ Spacing, Battery Box W/Timer Of 6Hrs On/18Hrs Off, Requires 2 C Battery’s (Battery’s Not included) Using 6hrs on; 18hrs off – timer, battery life should last for 18days if using good quality battery. Color Box. For indoor use only.