This product works as an replacement of traditional Down Light. It can be widely used for hotel, restaurant ,commercial etc. ... : -10~ +43. Life Time:40,000hours (brightness maintenance rate 70%) 4. weight: 350g5.Package Info:Ctn size: 50*50*31cm, 50pcs ... /ctn.6. This product works as an replacement of traditional Down Light. It can be widely used for hotel, restaurant ,commercial & home ...