Carbacephem \u03b2-lactam antibiotics having the following chemical structures and are disclosed:including stereoisomers, pharmaceutically acceptable salts, esters and prodrugs thereof, wherein Ar2, R1, R2 and R3 are as defined herein. A modulation control unit is provided to modulate a waveform of the current flowing on the LED by controlling the adjustment operation of the current adjusting unit. An overall process of manufacturing instant photography film units that are packaged is performed automatically and efficiently.