Lamp bead model: SMD2835Power: 10WVoltage: DC30-32VCurrent: 250mA±5%Serial and parallel circuit: 10 collection and six parallelSize: 93*93mm(3*3)Crystal size: 15*30milNumber of crystals: 60pcsCrystal name: Epistar chipLumens: 1000LMAluminum substrate thickness: 0 (0)Thermal conductivity of aluminum substrate: 2/(m·K)Application place: Panel lightLamp bead model: SMD2835Power: 15WVoltage: DC48-51VCurrent: 250mA±5%Serial and parallel circuit: sixteen collection and 6 parallelSize: 115*115mm(4*4)Crystal size: 15*30milNumber of crystals: 96pcsCrystal name: Epistar chipLumens: 1500LMAluminum substrate thickness: 0 (0)Thermal conductivity of aluminum substrate: 2/(m·K)Application place: Panel lightLamp bead model: SMD2835Power: 22WVoltage: DC72-76VCurrent: 250mA±5%Serial and parallel circuit: 24 collection and seven parallelSize: 163*163mm(6*6)Crystal size: 15*30milNumber of crystals: 168pcsCrystal name: Epistar chipLumens: 2200LMAluminum substrate thickness: 0 (0)Thermal conductivity of aluminum substrate: 2/(m·K)Application place: Panel smooth Lamp bead model: SMD2835Power: 32WVoltage: DC108-115VCurrent: 250mA±5%Serial and parallel circuit: 36 collection and 9 parallelSize: 215*215mm (8*8)Crystal size: 15*30milNumber of crystals: 324pcsCrystal name: Epistar chipLumens: 3200LMAluminum substrate thickness: 0 (0)Thermal conductivity of aluminum substrate: 2/(m·K)Application place: Panel comfortable