These are the RC4WD 1/10 scale Baja Designs Squadron Pro LED Lights. FEATURES: Ideal for RC projects where extra light is required Four super bright LED bulbs Connects to extra receiver channel or battery up to 11.1V* Adjustable bracket Plastic housing INCLUDES: Two Baja Designs Squadron Pro LED Lights with 9" (229mm) Wire Lead and receiver Connector REQUIRES: 2mm socket head or button head cap screws for mounting SPECS: Mounting Hole Diameter: 2mm Overall Length: 0.57" (14.5mm) Light Bar Width: 0.52" (13.4mm) Overall Height: 0.57" (14.7mm) Light Bar Height: 0.55" (14.2mm) Weight: 0.1oz (3g) COMMENTS: *Must be connected directly to 2 or 3 cell LiPo battery to operate properly with 7.4 volts and 11.1 volts.