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...
RFID Hotel Door Lock Readers BY HIPHEN SOLUTIONS RFID Hotel Door Lock Readers BY HIPHEN SOLUTIONS Technical Parameter 1,Operating voltage: Four 6V high-energy alkaline batteries 2,Static power consumption: < 15μA. 3,Dynamic power consumption: 120~180mA. 4,Validity of Battery: Normally 8~12 months. 5,Low-voltage alarm: When the voltage is lower than 4.8V, ...
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5 years agoCameras - Camera Accessories113 people viewed
