This flasher relay is different fromconventional 3-pin LED flasher. With this product, the speed of this flasher is adjustable. This product can help to solve LED related turn signal problems such as rapid flashing, not flashing or bulb burnt out warning on dashboard. It can be applied to both ordinary light bulb and the LED lamp. And this item can be fitted on most of cars or motorcycles. Features: 1. Unlike the conventional 3-pin LED flasher, with this product, the flasher is speed adjustable. 2. This product can help to solve LED related turn signal problems such as rapid flashing, not flashing or bulb burnt out warning on dashboard. 3. It can be applied to both ordinary light bulb and the LED lamp. 4.This product can be fitted on most of cars or motorcycles. Specifications: Color: Black Voltage: 12V Wattage: 0.1W-150W Pin: 3 Size: Approx. 5.1 x 3 x 3cm / 2' x 1.2' x 1.2' Package Weight: 29g Package Included: 1 x Relay Note: Please allow 1-5mm error due to manual measurement. Thanks for your understanding.