Because of built-in PWM circuit (pulse width modulation circuit), dimming range is wider than earlier type products.
因使用PWM(脉冲宽度调制)电路，产品具有较宽的调光范围。
However, a 16-bit PWM has over 65000 steps, allowing for a much smoother dimming curve to the customer.
不过，16位PWM有65000多个步进，这就能为客户带来较为平滑的调光曲线。
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