Motogadget M-Relay+ Momentary Switch Turn Signal Relay 
Provides 4 different operating modes depending on how long momentary push buttons are held. 
Features:

Short tap on push-button = flash 3x and automatic switch-off

Pressing push-button shortly = flash 10x and automatic switch-off

Pressing push-button longer = continuous flashing, switching off only after pressing the push-button repeatedly

Pressing both Left and Right push-buttons = hazard flasher function, switching off only after pressing the push-buttons repeatedly

Operating range: 1-21 watts (good for most LED turn signals)

Simply connects in series ahead of the turn signal switch (replaces your OEM relay)

Note: Not compatible with OEM-style turn signal toggle switches. Euro not included.