From L.R.I., the Photon Micro Light II features a multi-function on/off switch, squeeze only/or switch for constant on. The high intensity LED never burns out or breaks. Another features of the Photon II is the quick release ring allowing officers to clip the light quickly and easily to gear. The light is visible over one mile or 1.61 kilometers. The 24 K gold-plated contacts ensures optimum electrical conductivity. The ultra-tough case is a virtually indestructible polyurethane case.