Check the listing for details. BBT 2 Wire Red LED 2.5 to 30 VDC Mini Digital Volt Meter. Condition: New. Listed at 11.95 USD. Top quality BBT 2 wire red LED mini digital DC voltage meter. Extremely accurate & reliable these work on DC voltage from 2.5 to 30 volts DC. Easy to install they measure 9/16" X 7/8" X 3/8" deep and install from the back of the panel with screws (included). Know at a glance exactly how much power is in your battery & how much voltage your charger, generator, or alternator is producing. Our price includes free super fast next day 1st class shipping in the USA, a money back guarantee & great customer service. Check out my other items! Be sure to add me to your favorites list! Thanks for looking, Capt. Bob All of our "same " listings are mix & match now. Make a purchase of the item you want and put a note on the sale telling us what colors you want. This only applies to items of the same size, design, function & price, Thanks, Bob