Anti Sleep Alarm with Vibrate Alert (Drivers, Security Guards)
Manufacturer Specifications■Main Function: Anti Sleep Alarm■Alarm mode: Vibration■Dimensions: 75 x 22 x 15mm■Angle of Protection: 15~ 30■Battery: Replaceable button cell battery■Life Time: 30,000 nodsProduct Notes■There is no vibration when the driver keeps normal driving status with eyes looking forward■Ergonomic Design and comfortable feeling rubber■Lightweight and fits comfortably behind either ear■Easy way to stay awake - no need for caffeine or pharmaceuticals