... your choice:slow,middle & fast.2,delay ,shut down,timer ,Clock functions,smoke sensor function,remote control function according to ... for lamps.3,Experience: 10 years experience in spare parts of kitchen range hoods, led lamps ect.4, Quality management Standard: ... every month, customer requirement are the first, we offer OEM, design & requirement service !5, Certificate for products: CE, RoHS, UL, ...