Light of automatic activation when falling to water (any).
Litium battery.
Of obligatory use in standarized SOLAS life jackets.
Can be turned off in water by turning the luminous bulb.
Intensity 0,75 cd.
Light duration: min. 8 hrs at -1ºC.
Subjection clip included.
Standarization SOLAS, EC Type Examination Certificate (B module)