Door Stop Alarm BY HIPHEN SOLUTIONS This security device fits under any door like an ordinary doorstop, yet it lets out an extraordinary alarm sound. The rubber bottom won't slide on smooth surfaces, so it can be used on floors or carpeting. This brings added safety for hotel travel, school dorms, seniors, or anyone living alone. The Door Stop Alarm is easil...
Digital Angle Finder 7-inch Protractor By Hiphen Solutions Digital angle finder 7-inch protractor by hiphen solutions ad details digital angle finder 7-inch protractor (200mm stainless steel angle finder ruler) ruler and protractor combination for easy measuring. Durable stainless-steel body provide years' using. Total length 400mm. Accuracy ±0.3°; resolutio...
