Driving alarm is a specially designed anti-drowsiness reminder for drivers. the intelligent sensor can accurately detect the driver's fatigue state, effectively preventing traffic accidents. The alarm sound can promptly awaken drivers, ensuring driving safety. Features -Color:Blue -Material:ABS -Size:6.00X5.50X1.50cm/2.36X2.16X0.59in -Volume >=:2 ( ) -Working voltage: 3 (V) -Working : 50 (mA) -Battery: 2xLR44 -Effective prevention of driver fatigue and drowsiness: ensuring drivers stay alert and while driving. -Comfortable and convenient ear hanging design: designed to be worn on the ear for maximum comfort and convenience. -Stylish and modern appearance: featuring a sleek and contemporary design. - intelligent sensor for accurate fatigue detection: equipped with a sensor that accurately detects signs of fatigue. -Emitting a alarm sound to quickly awaken drivers who are feeling . Package list: 1 x driving alarm