... 4. Long lifespan>60,000h 5. Green material High Performance Magnetic Induction Garden Light 30W 50W Feature:1. High pressure ... die-casting aluminum lamp shell, good durability, extrution aluminum cylinder, 2. Plastic sprayed surface, anti ... >95%,20000>80%,60000>75%6.Good performance of shake-proof and explosion-proofIt have good shake-proof without electrode and filament ...