safe,micro-computer technology, have own knowledge patent,passed EN12790-2009,ASTM F2088-2009 Model:TY-801Gross Weight:10.5KGNet Weight:9.5KGCarton ... *Completely silent swinging motion makes baby fall asleep easily*Open-top design for taking baby in and out easily*Microcomputer control ... toy bar and pillow*With EN71,CE,EN12790,ASTMF2088 certificate Top Rated Baby Swings TY-801