1)Model 1 Power: 14-18W, Voltage: 110 - 130V, 220 - 240V Ra: more than 80 Temperature: 2, 700 - 6, 400K Base type: E27/B22 2) Model 2 Power: 20W- 38W Voltage: 110 - 130V, 220 - 240V Ra: more than 80 Temperature: 2, 700 - 6, 400K Base type: E27/B22 Lifetime (hrs): more than 6, 000 3) Model 3 Power: 40W- 65W Voltage: 110 - 130V, 220 - 240V Ra: more than 80 Temperature: 2, 700 - 6, 400K Lifetime (hrs): more than 6, 000 4) Model 4 Power: 40W- 110W Voltage: 110 - 130V, 220 - 240V Ra: more than 80 Temperature: 2, 700 - 6, 400K Lifetime (hrs): more than 6, 000 Trademark: LW / Buyer's trademark Productivity: 3.000.000pcs/month