LED R39 reflector lamp with lightweight, heat dissipating thermal plastic construction and opal diffuser. 39mm diameter – Shaped and sized similar to R39 traditional reflector lamps. True retrofit replacement for a traditional incandescent lamps.- 20,000 hour life- 10,000 switching cycles- SES-E14 cap- 110 Degrees beam angle- 2700K warm white colour temperature- Colour rendering index ?80- Not suitable for dimming- Recommended for indoor use only- Instant full light- 3 year warranty