High light effeciency 80-120LM/W; Lifespan:more than 50,000H; Safety working voltage DC36~DC42V; Installation: Drop-in/Suspended/Surface/Wall Mounted; Ultra slim construction (thickness only 11mm); Use high quality SMD2835 LED as light source, which is high brightness, long life and less heat; Flicker-Free Lighting: Eliminate eye strain and headaches; Energy-saving:saving 80% than the ordinary lamp; Self-developed constant-current power for power supply circuit greatly improve the stability of our products and increase light-emitting area; Reliable protection design, free from over-current, over-voltage, short-circuit, and overload risks; No Mercury Inside, No UV, No IR, good for your health;