Specification: dia:1.4cm L:6.5CM
Packing: gift box pack
*Mat-finish,chrom-plated brass case with key chain
*push button on/off switch
*More energy efficient
*no bulb to replace
*150% brighter LED
*saving electricity 20 times than bilb
*lifetime: 100,000hours
*usd 3Xag13 button cells
*as money detector with pansy LED