ODX Modular Light BarModular: Use as a single unit (10"), Combine up to 4 for 40'' of width, or double stack for 10'' or 20'' double height mounting. Easy wiring: Use the provided DT wiring harness to wire your lightbar, plugging it on any side of the lightbar. No need to individually wire each light bar when the are modulated: Use the link harness to loop the power from one lightbar to the next. Heating: With the use of the built in temperature sensor, the lightbar will