This dazzling Cherry Blossom Bonsai tree has 36 LED clear flower lights and is 16 inches tall. It comes with an electric plug-in 6V DC3.6W adaptor and 4 AA batteries which are included. The plug-in adaptor is for use inside only and the batteries can be used both outside or inside. It has a timer set for 6 hours on/18 hours off. The timer function will reset when the power supply is changed between batteries and the adaptor.