Weight: 70g (excluding battery) Color: Army green Brightness: 250,000 peak lumens Flicker frequency: 50 ‡ 10 times/min (depending on battery power) Use time: continuous strobe for 8 hours Visibility range: The test can be seen from 9.6 km away in good weather conditions at night Mode: omni-directional white light stroboscopic mode Battery: two AA batteries (not included, need to buy) * Battery cover removable wire link to ensure that it will never be lost