Single electronic ignitors, like those inside stage fireworks. Can be used to ignite flash cotton or flash paper. Activated with battery - for example, a good 9 volt. battery. Makes a small flame with a lille click. Produced in China. Quite stable, but has a failure rate of 1 in 1000.
 
Sold ONLY to customers over the age 18 years old.

Resistance: 0.9 Ohm ± 0.15 Ohm
NEVER ignites power less than 0.3 A
ALWAYS ignites at a current above 1.35 A
Measuring Current Max. 10 mA