Specifications :

【Shapes】: Square 【Forward Voltage】: 2.8-3.2V 【Luminous Flux】: 500LM 【color-rendering index】: >80 【Beam Angle】: 120 degrees 【Working Temperat】:-20 centigrade to 60 centigrade 【Wire's Material】:Gold Wire 【Color Temperature】: Cool White:6000-7000K 【Life Span】: 50000 Hours 【Size of LED COB】:33*33 mm