... and shaking circumstance. Such as various powder products and semi-finished article processing field, warehouse, under-bridge, tunnel, ... etc. It is dustproof, waterproof and explosion proof led light fixtures T5: 1x14W, 2x14W, 1x28W, 2x28W, 1x35W, ... or PS material with computer designed pattern for high light distributionBallast: Electronic ballast or Magnetic ballastLamp holder: G13Certificates: ...