First of all: it works. Flies are, if taken, dead at 90%, but smashed only 20%. the effective range is loose half a meter when you can aim well. However, the quality wish to übrig.der deduction which is to using a spring that keep storey, serves its purpose only partially. already on the 2nd day of withdrawal was apparently "worn out", even at medium light bumps to lößt the floor on its own. In general, the gun looks cheap and does not keep well. But these shortcomings are not serious and they work, and that's important!