63042-0012 6" , Specifications: Voltage 12 Vdc, Amp Draw 15 amp Beam HID Spot. Base Chrome Brass-Tall 600,000 CP, Range 01 Lux 2210 ft 680 m 63042-0024 6" , Specifications: Voltage 24 Vdc, Amp Draw 20 amp Beam HID Spot, Base Chrome Brass-Tall 600,000 CP, Range @ 1 Lux 2210 ft 680 m 62040-4002 7" , Specifications: Voltage 12 Vdc, Head Brass, Base Brass, Bulb type 7" Spot, Candlepower 230,000 range @ 1 Lux 2431 ft 740 m 62040-4006 7" , Specifications: Voltage 24 Vdc, Head Brass Base Brass Bulb Type 7" Spot, CandlePower 230,000 Range @ 1 Lux 2431 ft 740 m 62042-4006 8" ,Specifications: Voltage 24 Vdc Head Brass, Bulb Type Spot Base Brass, 500,000 CP Range 0 1 Lux 2375 ft 719 m