this week we have a new order about the push button switch from the russia,
beacuse near the China new year holiday, the factory busy for order and plan before the holiday all finish ship.
the buzzer has alredly distributed the light report to the police and caution type and give out light a report to the police type .
all the adoption LED chip of gao liang 4 is a light source, the color be fresh and gorgeous refreshing.
