Miniatronics Double Flashing Arrow (4) (MNT10072604)

HO Scale -- 3 VDC Transformer, 10' 30-Gauge Wire, & Mounting Tape Included 

This is the Double Flashing Arrow pkg(4) HO Scale 3 VDC Transformer, 10' 30-Gauge Wire, & Mounting Tape Included from Miniatronics Corp.