- Model:?TrustFire TR500- Features?three (3)?Cree XR-E Q2-WC?LED emitters- Powered by?2 * 18650?batteries-?Accepted?maximum input voltage: 8.4V- 3-mode tailcap clicky switch: Mid > Hi > SOS (no state?memory)-?500~550 lumens maximum brightness (manufacturer rated)- Circuit current output: Mid: 1.2A、 Hi: 2.1A、 SOS: 1.5A??(manufacturer rated)- Continuous runtime: 3 ~ 3.5?hours (manufacturer rated)- Regulated driver circuitry-?Glass lens with aluminum?smooth/SMO reflector                                                                                                                                Dimensions: 8.27 in x 2.19 in x 1.23 in<br />Weight: 11.11 oz