1. Quality Components: stainless steel cover and screws, impactresistant, temperature tempered sodalime glass, and quality LED chips. Our outdoor ground lights last up to 50,000 hours. 2. Safe Voltage: The operating voltage of AC12/24V is compatible with most lowvoltage landscape lighting systems. An additional lowvoltage transformer is required for installation (Note: Transformer is not included). 3. IP66: 100% waterproof lighting fixtures, waterproof seals, pressure rubber gasket, thick aluminum housing, for illuminating outdoor landscape paths and terraces. 4. Features of Ground Lights: Imported brightness LED chips, lumen output, no flicker, uniform light emission, long lifespan, energysaving and, heat dissipation design, light efficiency.