Inova microlight clearblack white led with tough polycarbonate construction a multi function switch mechanism and advanced design and engineering the microlight offers a bright led lamp in a flash light small enough to fit on your key chain features 2 x cr2016 3v replaceable lithium batteries durable stainless steel universal clip attaches securely and releases quickly effective range up to 50ft 1524m white led only four functions high power low power strobe signal m