The SiCompact A2 MINI is a 150W metal halide lamp from Siteco, with a luminous efficiency of 73.3m/W, a color temperature of 4,200/2,000K, a voltage of 230-240V/50Hz, a housing color of Siteco metallic gray, a toughened safety glass, a compensating capacitor, a bracket mounting, and a pressure equalization system.