Specifications 1. Emitter: 3 high-powered white LEDs, 1 UVLED(365nm)2. Reverse polarity protection from improper battery installation.10. Model of LED Beads :TN3535. Model Number :SR23. The SR23 is a high-performance flood flashlight featuring a powerful white light as its primary output and a secondary UV light for added versatility, Dual side switches allow effortless operation.