<b>1x4 Panel LED Lights</b><br><br> <b>Technical Details</b><br> - Package quantity: 2-Pack<br> - Input Voltage: 100-277 volts 50/60Hz<br> - Light Color: 40W 4000K (Neutral White) 4800lm<br> - Specific Uses: Commercial/Residential<br> - Environmental Rating: Dry or damp location rated<br> - Installation Type: Suspended; Flush Mounted; Surface Mounted; Recessed Grid-Ceiling.<br><br> <b>INSTALLATIO</b><br> 1. Recessed in T-Grid ceiling in home, office, meeting room, schools, hospitals and other public entities.<br> 2. No accessories for T-Grid installation.<br> 3. Three alternative mounting options are available: suspended, surface and sheetrock flush mount(Required accessories). <br><br> If you have any questions about the installation you can directly ask questions or contact us through the buyer message. We will reply you within 24 hours