1.Your head should not nod more than 30 degrees (the less the better), before it beeps
2.OEM are Welcome!
Anti-Drowsy-Larum Drive Alert Reminder for Car Driver
1) On the device is a little lever switch, shift it to the right towards ON
2) Test that it is working properly by tilting it forward, if it beeps then it is at working state
3) Place behind your right ear and adjust, it should be placed correctly for effectiveness. Your head should not nod more than 30 degrees (the less the better), before it beeps.
4) When the device is no longer required move the lever towards the word OFF
5) For the protection of the device place back in its pouch and store with care out of direct sunlight and humidity. Keep out of reach of children.
Colors Available: Black, Blue
OEM are Welcome! we can print customer's artwork and logo