... lab is applicated in school 2,High quality, safety, easy to operate, green physics lab equipment Main Compostion of Physics Electricity ... with ABS specified connecting components. Both beauful and functional, easy to clean, water proof and anti-friction.2, table body materialAdopt ... not lower than Class 2.5, with auto overcurrent protection, reset buttonc, AC low voltage output: 2V-24V, rated current>6A ...