+ 1 Star for the price (the lamp is less expensive that the only final stack). - 1 delivery (3 week, that must come by boat I think). Article very very good for the price: I took 10. This is actually a battery CR16 surrounded by a base LED (blue color) in a small plastic package: basic but functional. It works by pressure but there is a small on / off switch at the front (but 3 KO's in 10: do not rely too much on it). It passes over a key game For cons, I recommend turning the small ring from the center: it will break at the first shock.