Specifications (PAR36):
1) Voltage: 4.7V, 5.5V, 12V, 12.8V,6.2V,6.4V,13V,28V,120V
2) Wattage: 25W, 30W, 37.5W, 50W,100W,150W,250W,650W
3) Beam spread: spot, MFL, WFL
4) Base: screw
5 color of lens.

Features:
1) Good assortment
2) More than 2.5 times than the life time of a normal incandescent lamp
3) Constant luminous intensity and constant color location throughout its life time
4) Precise design in reflector and lens