Please closely investigate the voltage you want, AC85-265v (including 110V 220v) or DC12v is optional, DC12V version must use a transformer, please set up the transformer yourself, thank you!Features:Environmental-friendly and effort saving. High advantageous material, good bearing capacity. Anti-corrosion and durable. Adopt tempering glass, splendid luminousness. Easy installation. Built-in fixed recent driver, lengthy lifespan and safe performance. Waterproof and mud proof. Perfect for outdoor lighting reminiscent of landscape, garden, etc specifications:LED Type: LED Underground delicate Optical power: 3W/9W Input Voltage:AC85~265V/DC12V Beam angle: 60 phases Material: Aluminum+tempered glass+plastic Lumens: 90-100LM/W LED lifespan: 50,000 hr 26CM line default yet could be customized, with out strength plug Working temperature: -40°C / +60°C The package includes: 1*LED underground lamp