Electronic hotel lock 1.Using America ATMEL chips for PCB; 2.Adopt Japan MABUCHI micro-motors which ensure 500,000 running ti Electronic hotel lock ,Model:SWRL890YMaterial:304 Stainless steel; Surface treatment:Silver drawbench processingFeatures:1. Metal structure, Classic styling in modern, luxurious solid and durable;2. Adopt Japan MABUCHI micro-motors which ensure 500,000 running times ...