PAR20, PAR30, PAR36, PAR38, PAR46, PAR56, PAR64, PAR84 Features (metal halide MH PAR lamps): 1) High luminous flux and high color rendition 2) Wide color temperature range 3) Simple and compact design 4) Longer life time 5) Universal burning position Features (HID PAR lamps): 1) Widely used for decorative lighting 2) Long life 3) High brightness 4) Excellent color rendering Features (Halogen PAR lamps): 1) Good assortment 2) Precise design of reflector and lens 3) Constant luminous intensity and constant color location throughout its life time Features (LED PAR lamps): 1) Energy saving 2) Long life 3) High reliability 4) Excellent color rendering Features (Grow lighting): 1) let the plant grow much better and faster