... Irradiation diameter is 9-10m at 1m, flashlight length: 15cm, head diameter 3.3cm, tail 2.2cm.7. High Energy Battery ... long life, low self discharge rate, economic and environmental. 8. Switch mode: waterproof designed tail button (ON/OFF), IP67.Lighting Mode of Flashlight ... >90% in reality3).CRI>82Ra,subject color is real and nice4).Heat Dissipation,housing temperature about 40-55 degree5).Package ...