supply of high performance flashlight .high performance flashlight .,high performance flashlight searchlight powered by lithium ion battery operating at 4.0 v wi th working current of 4000 ma of 16w output power at per technical specification type of lamp : led ligh t, dia of light (mm): 100 to 125 mm, light output wattage:- 300 watt, type of battery- lithium ion 18650, service hours of led:- 30000 hrs to 50000 hrs, warranty:- minimum 12 months, continuous operation time (hrs):- 11- 12 hrs, brightness (lumen):- 1200 to 1500 lumen, battery capacity (ah):- 05 to 07 ah, colour of rays:- cool/natural white, beam angle:- narrow, working voltage:- 4.0 volt, type of front glass:- transpare nt, scratch resistant, output power: 16 watt, weight:- 500 -700 gm, strap for side hanging: yes, type of ma terial:- aluminium alloy, battery charger /adapter:- yes, search light output range: 2 to 2.5 km, effective di stance of search light (mtr): approx 500 mtrs, battery charging time (hrs): 5 to 7 hrs, sos flasher:yes, anti shock construction:- yes, handle type:- ergonomic, battery charging cycle: 750 to 800 times, water resista nt: yes, usb port: yes for patrolmen of engg deptt of ckp division. [ warranty period: 30 months after the date of delivery ] ] => limited