(4-Pack) Type B & 12-30V DC LED F15T8 Tube Light (Rotatable)-18-Inch (17-3/4 Inches Actual Length) 1.5FT 7W, Warm White 3000K, Double-End Powered, Frosted Cover -for RV (Not a Plug-and-Play)

This is a double-end input T8 1.5FT LED tube light with 7W total input power to replace 12-30V F15T8 energy-saving fluorescent. It is not dimmable and works from 10-30V DC. ****WARNING I: It's a 12-30V DC LED tube light! NEVER use it with 110/120VAC source unless you have an -DC converter to achieve 12-30V DC power. Please check your fixture voltage before buying**** ****WARNING II: Actual Length 17-3/4" pin to pin! Please measure your old bulb to confirm the fitness. **** ****Installation: Fixture Rewiring is Easy but Required! The installation manual is the 2nd photo at the upper left corner of this product page. The manual will also be enclosed inside the package shipped to you. Please ensure to follow the manual to install this LED light! It must be directly wired to your 12-30V DC power from the two input ends on both sides without the use of any electronic ballast or starter. Ask help from an electrician if you don't have enough electrical basics! ****