67-21S/KK2C H4040M4N42936Z15/2T is a single chip 150 ma white light lighting LED2835 patch lamp bead, the average brightness 58 lm, color rendering index 90, an average of 4000 k color temperature is natural white light, the consequent voltage from 2.8 V to 3.4 V, no keener diode, when using, pay attention to the electrostatic protection

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