[product material]: PC fire retardant material;
[product size]: US standard: 45 * 20 * 70mm;
[product size]: Eurocode: 45 * 20 * 80mm;
[product size]: British Standard: 45 * 20 * 78mm;
[product weight]: US standard 45g, European standard 48g, British standard 47g;
[input parameter]: AC100-240V, 50 -- 60Hz; 0.5A