Detailed Product Description T&G:have T shape,BT shape, ED shapeModel Watt(w) Volts(v) Lumens(lm) Base Overall Length DiameterMH250B/T 250 230/120 18000 E40 250mm 47MH250G/T 250 230/120 7500 E40 250mm 47MH250P/T 250 230/120 7500 E40 250mm 47MH250R/T 250 230/120 12500 E40 250mm 47MH400B/T 400 230/120 28000 E40 275mm 47MH400G/T 400 230/120 10000 E40 275mm 47MH400P/T 400 230/120 10000 E40 275mm 47MH400R/T 400 230/120 20000 E40 275mm 47MH1000B/BT 1000 230/120 60000 E40 292mm 120 MH1000G/BT 1000 230/120 25000 E40 292mm 120MH1000P/BT 1000 230/120 25000 E40 292mm 120MH1000R/BT 1000 230/120 40000 E40 292mm 120MH250B/ED 250 230/120 18000 E40 230mm 91MH250G/ED 250 230/120 7500 E40 230mm 91MH250P/ED 250 230/120 7500 E40 230mm 91MH250R/ED 250 230/120 12500 E40 230mm 91MH400B/ED 400 230/120 28000 E40 290mm 91