... energy saving environmental protection.2). Two circuits output, light control and time control, automatic open, turn off ... manualWork environment-40-60IP protection level IP54Service life(year)above 152).Solar panels, light source, and other ancillary ... -performance, maintenance-freeLED light sourceLuminous efficiency:90Lm/W,life above 50000 hourslampProtection level IP65Lamp polesteel,height 9m ...