It could test 2 lamps at the same time,one side is AC100-250V,The other side is DC 12V. We are ... AD991 B):New AC/DC lux power meter (LT-AD991 B) Specification:1. Weight: 2kg.2. Size:300*230*125mm(very ... -250V AC/12V DC5.Maximum testing wattage: AC: 300W. DC: 60W6.Testing lamps: CFLs, tubes , LED lamps , halogen ... test 2 lamps at the same time,one side is AC100-250V,The other side is DC 12V.3. It is safe ...