... life time, good price Manufacturer AD16 LED signal lamp (signal light)Model: B type Indicator lamp (AD116-22B)Life of continuous working: ≥ ... addedTaking LED chip as the light source, AD22 series indicator lamp shows long service life, low energy consumption, small volume ... , textile, printing, mining etcWe supply various types of Indicator lamp, signal lamp, pilot light,indicator, indicator light,pilot ...