... Aluminium Net weight: 300gDimension: as shownFeatures of SYS9189 led lamp: Built-in constant current drive power, stable ... environmentally friendly, benefit for recycling Protect eyesight, dc drives, no stroboscopic High luminous efficiency, 90% of electricity ... safety coefficient, voltage and current is lesserApplication of SYS9189 led lamp:Living room, bedroom, kitchen, washroom;School, university ...