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can save monthly electricity up to 1,500-1,800 baht/month and annually up to 18,000-20,000 baht/year
can save monthly electricity up to 2,000-3,000 baht/month and annually up to 20,000-30,000 baht/year
can save monthly electricity up to 5,000-6,000 baht/month and annually up to 60,000-72,000 baht/year
can save monthly electricity up to 7,000-9,000 baht/month and annually up to 84,000-108,000 baht/year
can save monthly electricity up to 10,000-12,000 baht/month and annually up to 120,000-144,000 baht/year
