Offical figures show that more than 60% of the drivers has dozed away behind the wheel of their vehicle or even fallen a sleep . The Nap alarm is placed behind your right-ear just like a normal blue-tooth earpiece of a mobile telephone . The principle of this personal electronic alarm system will ensure that the vibration or noise awaken you if your head fall below a certain angle . This alarm will help you remain alert and stay awake and you can insert a rest pause before it is too late and you could have caused an accident . Our newest type LGI-II focused on funcation and design . It is more fit for human's ear, We use the best material which is fit for the gird and have the baffle to avoid you open the nap alarm in casual, flute on our nap Alarm could bebfit for the driver which useing glasses. High quality have get the Rohs, CE, FCC, certification . Use in area : 1 : Stop, revive, Survive! Nap alarm gives instant warning if you nod off to sleep while driving. 2. Ever fallen asleep in a lecture? Nap alarm will gently and silently wae you up . 3.Excessive tiredness causes avoidable workplace injuries. Nap alarm will alert you if your head tilts forward in sleep . qty: 200 pcs/ctn carton sizeú¦425*275*420mm(W*D*H) N.W. :8.0KG G.W.8.5KG