... Product Description SH7900 Aluminium flashlight with Digital Ring-Switch on head & Tactical On/Off Switch on end cap Digital 360° Ring-SwitchDigital ... Ring-Switch 12 modes control ring switch, 6 permanent bright modes, 3 SOS modes, 3 ... flash signal modes, 360° ring-switch design, extremely smoothly to operate. Power switch is located at tail cap, press for ...