Size:3157 Switchback Pack of 2 Bulbs – T25 3157 LED Bulbs – White and Yellow Specification: Socket Type : T25 – 3157. Voltage : 10-30V DC (Width Voltage, suitable for 12V or 24V automotive both). Operating Current : 12V@0.42A per Bulb. LED Chip : High Bright 3528 LED Chip. Chip QTY : 31PCS LED Chips per Bulb, 10PCS LED Chips for White, 21PCS LED Chips for Amber. Beam Angle : 360 Degree. Application : Brake Lights, DRL, Tail Lamp, Side Positioning Lights, Turn Signal Lights, Hazard Warning Lights. Feature: 1.Pack of 2 Bulbs, Color Changing White + Amber. 2.31PCS 3528 LED Chips per Bulb, 10PCS LED Chips for White Color, 21PCS LED Chips for Amber Color. 3.Alumnum body – Better for heat dissipation. 4.Up to 1000 Lumens – More brighter than original halogen bulb. 5.12V@0.42A – Energy saving. 6.Non-Polarity Design – Do not worry positive pole and negative pole. 7.Light Beam 360 Degree – No blind spot. 8.Plug and Play – Easy installation. Note: This is replacement bulbs, suitable for most of cars, but for some special car may get error code issue on the dashboard, so please add LED resistor(50W 6ohm or 50W 8ohm).