High Performance Smart Solar Lights with 16 million color changing LED light settings Lights up automatically every night / Auto- off switch Dusk to Dawn or timer control / Dimmer control Works with Tuya APP, 2.4GHz blue Mesh Support Long distance single & group control More than 9 specific scene options Voice-in-sync music control Manufactured from durable cast aluminium/powder coat painted finish Max 30 lumens / 6000K-6500 Kelvin 3.2V LiFePO4 rechargeable battery Will fit over an actual 4.25x4.25, 4x4 or 3.5x3.5 post Quick and easy Do-It-Yourself installation.