Input voltage range: 220-240V AC 50/60Hz Constant current inbuilt driver output voltage: 60-80V DC Base: metal Diffuser: PS LED chips: SMD2835 LED Power factor: >0.9 Colour temp changeable: 3000K / 4000K / 5000K CRI: 80 Ambient Temperature: -20 to 40ƒ¸C Suitable for dimming Suitable for 2-way switching Suitable for use with 3 wire motion or microwave sensors Changes to appearance due to climatic conditions not covered under warranty IP rating: IP44 Warranty: 3 year replacement warranty *Must be installed by a licenced electrician (Installation instructions sheet provided in each product box). Tested & Recommended Dimmers: CLIPSAL: 32E450UDM, 31E2PUDM, 32E450LM, 32ELEDM-WE & 32E450TM HPM: CAT250L, CAT400T & CAT250T DIGINET: MEDM & MMDM/RT *Please check with Licenced electrician for Min and Max dimmer load. May be compatible with other untested dimmers