Eco-LED Plug-&-Play dimmable 12" tube in Cold White, T5 for 12V DC installation.(LT5-CW) 24 SMD 2835 LEDs in COLD WHITE (6000K-6500K) LED replacement for 12V DC fluorescent tubes model F8T5. Input voltage 10-14V DC, total watts of 4 W. Use it with or without ballast! Output lumen of 160-180 LM with ballast (250-275 LM without ballast) & consumption of 0.265 A with ballast (0.155 A without ballast). Packages comes with the bypass cable. Dimmable! Compatible with our popular Wireless Wall Switch (WS-01 or WS-01DC), which procures flicker-free 7-step dimming in 12V lighting systems.