SR SERIES SRP Type: Bulb Revolving Type Voltage: DC:12V,24V AC:110V,220V Dimension (mm): Diameter: Ø83 Height: 363-551 Materials: Lens-AS Housing-ABS Protection rating: IP44 SRL Type: LED Steady/Flashing Type Voltage: DC:12V,24V AC:110V,220V Dimension (mm): Diameter: Ø83 Height: 162-350 Materials: Lens-AS Housing-ABS Protection rating: IP44 SR Type: Bulb Revolving Type Voltage: DC:12V,24V AC:110V,220V Dimension (mm): Diameter: Ø83 Height: 162-350 Materials: Lens-AS Housing-ABS Protection rating: IP44 SRLP Type: LED Steady/Flashing Type Voltage: DC:12V,24V AC:110V,220V Dimension (mm): Diameter: Ø83 Height: 363-551 Materials: Lens-AS Housing-ABS Protection rating: IP44