photoluminescent mosaic, can glow 8+hrs after recharged by sunlight, lamp light, etc. for 15min. It gives night light in dark. Photoluminescent mosaic, called as glow in the dark mosaic, luminescent mosaic, luminous mosaic, fluorescent mosaic, night light mosaic, night glow mosaic, glow mosaic, etc., can gives night light for 8+hours after recharged by sunlight or lamp light for 10~15mins. ...