Yeloglo White LEDs pkg(10) -- 5mm

Double Flashing Arrow, pkg(4), O Scale -- 3 VDC Transformer, 10' 30-Gauge Wire, & Mounting Tape Included

Adjustable Dual Synchronized Strobe -- White

8 Ohm Speakers -- 1-7/8 x 2-7/8" 4.6 x 7.1cm Rectangular x 15/16" 23.8mm High (Fits O, G & #1)