Note:

1.This transformer can not be used for LED lamps.This transformer can only be used on the 12V halogen lamp bead, cannot be used in car lights, motorcycle lamps, speakers, and so on other lighting and electric appliance.

The link of the halogen lamp Beads:https://www.aliexpress.com/item/Light-Beads-12V-Halogen-Lamp-Bead-G4-20w-35W-Low-pressure-Light-beads-G6-35-50W/32823061833.html?spm=2114.12010108.1000023.9.50622ec8CNwZTr

2.This transformer, can't test by the multimeter,otherwise can't measure the real data, and the measured data are inaccurate. It must connect the transformer to the 12v crystal lamp bead, ensure the electric light after to test.

Life : normal service life of more than 2 years
Wiring method : red line for input, meet AC220V; White line as the output, the 12 v source.
Introduction :
1.Features: this product use famous brand high-quality electronic components, USES the high-grade coil, with high power factor, low temperature rise, no noise, no stroboscopic, etc.
2.the product is mainly suitable for all kinds of low-voltage G4 / G5.3 12 v quartz halogen lamp bead, light bulbs, MR11 / MR16 quartz (halogen lamp cup form a complete set of lighting, and so on.
3. apply lamps and lanterns: common used for crystal lamp, low-pressure lamps and suspension wire light, ceiling lamp, bean pot lamp, grille lamp, lens headlight, corridor lamp, wall lamp, etc.