Product Details Model: 1313 Power:3W/5W/7W/10W CRI: Ra≥70 Crystal Size : 10*21mil Shiny surface :φ11mm OutSize:13*13mm 3W=DC9-10V 250mA(max) 5W=DC15-17V 250mA(max) 7W=DC20-22V 250mA(max) 10W=DC30-32V 250mA(max) LED Lumens: 3W=270-300LM 5W=450-500LM 7W=630-700LM 10W=900-1000LM