Brand Name: SHENTONG Place of Origin: Zhejiang China (mainland) Model Number:STK-01(tweet type)    STK-02(concuss type)Working principle:Our patent product, electronic balanced anti-drowsy alarm, which is popularly callednap-zapper, is a high-tech product that works on...

Brand Name: SHENTONG Place of Origin: Zhejiang China (mainland) Model Number: STK-01,STK-02 Model Number:STK-01(tweet type)    STK-02(concuss type)Working principle:Our patent product, electronic balanced anti-drowsy alarm, which is popularly callednap-zapper, is a...

alarm Place of Origin:China Zhejiang Brand Name:SHENTONG Model Number:STK-01(tweet type) STK-02(concuss type) alarm Working principle:Our patent product, electronic balanced anti-drowsy alarm, which is popularly callednap-zapper, is a high-tech product that works on the...

annunciator Place of Origin:China Zhejiang Brand Name:SHENTONG Model Number:STK-01(tweet type) STK-02(concuss type) annunciator Working principle:Our patent product, electronic balanced anti-drowsy alarm, which is popularly callednap-zapper, is a high-tech product that works on...

annunciator Place of Origin:China Zhejiang Brand Name:SHENTONG Model Number:STK-01(tweet type) STK-02(concuss type) annunciatorWorking principle:Our patent product, electronic balanced anti-drowsy alarm, which is popularly callednap-zapper, is a high-tech product that works on the...

alarm Place of Origin:China Zhejiang Brand Name:SHENTONG Model Number:STK-01(tweet type) STK-02(concuss type) alarmWorking principle:Our patent product, electronic balanced anti-drowsy alarm, which is popularly callednap-zapper, is a high-tech product that works on the principle of...

alarm Place of Origin:China Zhejiang Brand Name:SHENTONG Model Number:STK-01(tweet type) STK-02(concuss type) alarmWorking principle:Our patent product, electronic balanced anti-drowsy alarm, which is popularly callednap-zapper, is a high-tech product that works on the principle of...

Place of Origin:China Zhejiang Brand Name:SHENTONG Model Number:STK-01(tweet type) STK-02(concuss type) Model Number:STK-01(tweet type)    STK-02(concuss type)Working principle:Our patent product, electronic balanced anti-drowsy alarm, which is popularly...

nap-zapper Place of Origin:China Zhejiang Brand Name:SHENTONG Model Number:STK-01(tweet type) STK-02(concuss type) nap-zapperWorking principle:Our patent product, electronic balanced anti-drowsy alarm, which is popularly callednap-zapper, is a high-tech product that works on the...

annunciator Place of Origin:China Zhejiang Brand Name:SHENTONG Model Number:STK-01(tweet type) STK-02(concuss type) annunciatorWorking principle:Our patent product, electronic balanced anti-drowsy alarm, which is popularly callednap-zapper, is a high-tech product that works on the...