LSP1331 grow light can substitute traddtional 400watt grow light. Outline: 323*228mm Power: 80watt *USe Red and blue high power LED *Excellent design for heat dissipation. No need exact heat sink device such as fan. So reduce maintainance cost and don't exist the dange and risk once fan doesn't work. *Protect rate: IP65, Indoor or outdoor use. *Excellent switch function: switch on and switch off can be very frequent without damagement. Input voltage: DC36V-40V lifespan:>30000