... working and 7days standby time 50000H lifespan glow penguin night lights Product info. Product Name led penguinItem No.GR-PL10Size ... battery, it can last 10-12hours for every colors lights, especially 5-7 days standby time. 4, Uniform ... , garden, entertainment park, amusement park, home, villa, swimming pool, wedding, party, events, decoration, design, project, rental/hire. glow penguin night lights