One-piece steel cover with satin chrome finish for corrosion resistance has two tamper resistant screws holding cover to mounting base to help reduce vandalism damage (security hex key included) * Universal motor for high starting torque provides 10-second estimated drying times, with adjustable speed that enables reduction of sound output from 83 dB to 69 dB * Infrared sensor turns dryer on when hands are under the outlet and off when they aren"t to conserve energy and reduce the risk of germ transmission by eliminating need for a manual control * Rated for 100-240 V and 50/60 Hz for global wiring system compatibility * Silver-based antimicrobial compound infused into internal plastic components helps inhibit growth of biofilm and mold and extend the operating life of the dryer