... work, 3AA batteries can be used 36 hours, make the romanticatmosphere is more extended. 3 Eye ProtectionGrind arenaceous light cover ... eyes 4. Wide use.Uses 3AA batteries, widely used in the bedroom, bar, stage, KTV, shops, cafes and so on. Specifications: ... Material PlasticThree colors of the light: Bright Blue, Bright Green and Bright ...