... 220v power: 35w, 28w, 21w, 14w material: aluminum with plastic spray treatment electric characterics: high power factorballast ... aluminun lampholder, self-locking design Installment: 1.aluminum with plastic spray treatment on surface,high mechanical ... sink is available to customers.6) Directly replace the traditional energy-saving lampApplication:residential buildings, office, meeting room, school, ...