TOOGOO(R) LEDRS-3157-RS18 Rear Signal LED Light Bulbs 3157, 18 SMD LED Red 2-pc Set One pair of (set of 2) Rear Signal 3157 LED Light Bulbs ; Color: Red 100% brand new long-lasting LED; For DC 12 volts only Allow night driving to be safer, acting as a warning to passing-by vehicles Life expectancy up to 100,000 hours Shock & vibration resistant and instant on/off response time; Plug & play type; Might require a load resistance for installation