The special oval lens which can irradiate a wide range is carried.It also has a warm LED that is suitable for hand work.It is waterproof to 1m.For inspection work at night work sites or indoors.When using both hands for hand work in the dark.Charging time: about 2 hours ; Power supply: Dedicated lithium polymer rechargeable battery (included) ; Maximum lighting time: Approximately 1.5 hours (in strong mode) ; Protection class: IP67 ; 1m drop durability ; Brightness: 270lm