Description FEATURES: Selection of lighting type (Tungsten Fluorescent, Daylight or Mercury). Dual function meter’s display. Heavy duty & compact housing case. Relative % light measurement. Zero adjustment by push button. Data hold. Sensor cosine correction factor meet standard. Auto shut off saves battery life. RS 232 PC serial interface. Circuit Custom one-chip of micro- processor LSI circuit. Power off Auto shut off saves battery life, or manual off by push button. Data Output RS 232 PC serial interface. Operating Temp. 0 to 50 (32 o 122) Power Current Approx. DC 5.3 mA. Weight 335 g/0.77 LB Lighting Type Selection Daylight or Tungsten, Fluorescent, Mercury lamp. Zero Adj. By push button. Sampling Time Approx. 0.4 sec. Power Supply 006P DC 9V battery (Heavy Duty Type) Warranty: As per brand policy