... 3 years warranty,CE&RoHS 4) life span 40,000h Specification of SYS9189 led lamp: Product Name: High power energy saving ... , dc drives, no stroboscopic High luminous efficiency, 90% of electricity can transform into visible light. Compared with the traditional ... than 70% High safety coefficient, voltage and current is lesserApplication of SYS9189 led lamp:Living room, bedroom, kitchen, washroom;School ...