★ Light source: LED★ Voltage: 5V★ Powered by: USB ★ Shade material: Acrylic★ Product power: 4W★ Switch : None★ Light color: warm light★ Average service life 30000(h)★ Dimensions: 210*135(mm)★ Base size: diameter 10cm* height 4cm★ Pattern board regular size: 18*14cm★ Product weight: 0.25KG★ Single belt box size: 20*15*5cm★ Different patterns may have 1-3cm deviation★ Note: Acrylic sheet has a protective film on one side, please tear off the protective film before use. Feature: ★ Suitable for desktop lamp, bedside lamp, baby room, corridor, etc.★ LED light source, low power consumption, long working lifespan.★ Durable base, beautiful and elegant design.★ Matching with acrylic light guide plate, bring you soft but bright enough illumination effect, no dazzling and safe to use. ★ 3D stereoscopic illumination, show you lighting effect.