SpecificationsKL2LM(HL) Technical SpecificationsCharging voltage 5v Rated battery capacity 2.4Ah Li-ion Rated voltage 3.7v Rated working current normal High light luminance 120mA 300mA Working time ≥18hours 6hours Luminous flux ≥2000Lux 5000Lux Lighting distance ≥70m ≥150m Charging time 7hours Illumination 11 hours later not less than 800Lux Using life time ≥50,000 hours Weight 130g (including the battery) Application Mining emergency workshop, tunnel, marine operations, soldiers equipment etc. if you have any further questions,please do not hestite to contact us.