Specification Size:2.76x2.76x4.8 Fit for ? specific opening size: 2.36?Opening Dia.< 2.76 ? specific lantern INNER height>4.8 Solar Panel:Polycrystalline Light color: Warm white Charging mode: under direct sunlight (Please TURN ON the switch when charging.) Battery:1X 600mAh AAA Ni-MH rechargeable, 1.2V Charging Time:Requires around 8 hours charging under DIRECT SUNLIGHT environment (might be affected by different climate) Working Time:normally 7-8 hours in summer and 5 hours in winter. Waterproof Class:IP44 ATTENTION: 1. Please make sure the solar panel being put under direct sunlight, and being cleaned periodically. 2. Please turn on the switch before charging.