... Electricity Lab1, table-boardAdopt 25mm thickness fire-protection board, processed with molding technology, assembled with ABS specified ... anti-friction.2, table body materialAdopt 16mm thickness tripolycyanamide board (meet the national environment protection standard) , the ... :For teacher: (size: 2800x700x850)a, DC large current output: 9V, rated current:40A, 8S(+-2S) auto blackout.b, DC steady ...