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'Name': vibration - doze alarm

'Colour: Black

'Material': plastic + soft

'Size': 7.5 * 5cm

'Weight': 23g (with packaging)
'Packaging': Blister cardboard installed

'Packing size': 16 * 9cm

'Packing number': 400 / pieces

'Packing size': 70 * 38 * 38

'Instructions for use': electronic balanced anti-drowsiness alarm, wearing the driver's ear on the use of electronic balance principle of a device.When driving the driver may produce drowsiness, head down tilt, the device The alarm will be issued to wake up the driver alert, stimulate the central nervous system, eliminate drowsiness, so as to avoid the occurrence of traffic accidents.