One. Product parameter: Name: LED numerical code searchlight, working voltage: 4V, charging voltage;

产品参数：名称：LED数码探照灯，工作电压：4V，充电电压；

youdao

One. Product parameter: Name: LED numerical code searchlight, working voltage: 4V, charging voltage;

产品参数：名称：LED数码探照灯，工作电压：4V，充电电压；

youdao