... , perfect the second match light optical distribution, bats shape light distribution curve or rectangular light class, lamps and lanterns ... convection radiator; Lamps and lanterns toughened glass pervious to light cover, the effective riot, dustproof, waterproof design, can be ... 40 ℃ ~ 50 ℃ environment temperature of normal use; LED light-source optional colors: red, yellow, blue, green, white, warm ...