There are NO SWITCH on these lights

Features:
Using Samsung high power chip
New LED technology reduces power consumption by 40% to 80%
Aluminum case with high thermal conductivity and exquisite appearance
Lights up in microseconds and responds quickly
LED lights, 1W is equivalent to 5W of traditional car lights
LED lamp has long life, average life is 50,000 hours
Easy installation, just connect and use
18 strobe modes (with power-off memory function)
Applicable: car / motorcycle / truck / lorry

Specification:
Number of chips: 6pcs
Color: yellow
Voltage: 12V-24V
Power: 18W
Waterproof rating: IPX-4
Life: 50000 hours
Material: Aluminum
Size: 11 * 2.8 cm
Weight: 50 grams (single net weight)
Packing: static bag

Package:
4PCS LED Light