Product information and features: Light source: CREE x PG/1 x CREE XM-L T6 Battery: 2×18650 Max output: 8000LM Operating voltage: 4.2V Button function: Full-semi-off Long press: SOS Weight: 308g (excluding batteries) Dimension: 67 mm x 95 x 153 mm Chip: 1 x CREE x PG/1 x CREEXM-LT6 Battery: 2×18650 LED service life: more than 100,000 hours